1 January 1952 - Shaker Heights, Ohio, USA -   Nocturnal lights were observed by a male witness (Comella).

1 January 1952 22:00 - North Bay Rcaf Base, Ontario, Canada -   RCAF Warrant Officer WJ Yeo observes strange craft at NORAD/RCAF installation. Large object circles, maneuvers over base.

3 January 1952 - St Louis, Missouri, USA -   Nocturnal lights were observed by one witness.

3 January 1952 13:30 - Lake Helen, Florida, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One disc, about 40 feet across, was observed by one witness for over 15 minutes (Gormley; Griffin).

4 January 1952 03:00 - Santa Fe, New Mexico, USA -   Red fireball came from south, traveled in straight trajectory, trailed out a reddish tail behind it. No noise. Explanation: Meteor.

4 January 1952 05:23 - Oakland, California , USA -   Ball of fire seen going rapidly to the west by woman (could she have her directions wrong?) Travelled on level course. Explanation: Meteor.

4 January 1952 05:24 - Greenfield, California , USA -   Police incident. Explanation: Meteor.

4 January 1952 05:25 - Gonzales, California , USA -   Seen "going out like a light" below Johnson's Canyon. Explanation: Meteor.

4 January 1952 06:00 - Watsonville, California , USA -   Deputies incident. Explanation: Meteor.

4 January 1952 07:00 - Navarre W, New Mexico, USA -   Newspaper Editor incident. Explanation: Meteor.

4 January 1952 22:45 - Arles, France -   One object was observed by four witnesses for two minutes.

4 January 1952 Night - San Diego, California , USA -   A meteor-like object was observed. One object was observed by one witness briefly. Explanation: Meteor.

5 January 1952 - Watsonville, California , USA -   Nocturnal lights were observed by a male witness (Bolman).

6 January 1952 - California , USA -   Close encounter with a craft and its occupants. An unidentifiable object and its occupants were observed at close range (Van Tassel).

6 January 1952 09:05 - Agde, France -   Pilots incident.

7 January 1952 04:54 - North Amityville, New York, USA -   Soared over Republic Aircraft Field faster than speed of sound, no sound whatsoever, brilliant white light on topside, emitted fluorescent glow at intervals.

7 January 1952 10:45 - Apple Valley Apt, California , USA -   Dot appeared in western sky that grew to a golden shining disc, 100 feet diameter, cavorted for several minutes, made 90 degree turns, no noise. Flew away at 2x jet's speed.

8 January 1952 16:52 - Palmer, Alaska, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one witness for 30 minutes (Gilson). Explanation: Star.

9 January 1952 - Kerrville, Texas, USA -   Odd roaring interference on radio as UFO circled town.

9 January 1952 Night - Hokai Passage, British Columbia, Canada -   Report of "flaming aircraft" prompts search for mystery plane crash. Meteorite plunging into the sea thought likely explanation, according to RCAF.

13 January 1952 Daytime - Shemya A Island, Alaska, USA -   An unusual object was sighted by multiple witnesses, that had unconventional appearance and aerobatic performance. One object was observed by one witness on the shore briefly (White).

16 January 1952 Afternoon - Artesia, New Mexico, USA -   Scientists observe a 180-foot-diameter object circle around a balloon they are tracking at 112,000 feet altitude.

17 January 1952 01:00 - Flushing, New York, USA -   A meteor-like object was observed. One object was observed by one witness for six seconds (Karlik). Explanation: Meteor.

17 January 1952 Around 1500 - Volcano Fuego Guatemala City S, Guatemala -   American living in Guatemala saw UFO from bus. Also second witness. Level flight path 15 seconds, then instantaneous vertical ascent two seconds. 400mph, reassumed initial course.

19 January 1952 19:56 - Cedar Keys, Florida, USA -   B-29 incident. Explanation: Meteor.

20 January 1952 Afternoon - Manchester S, Vermont, USA -   Unidentified spherical objects were sighted, that had an extraordinary appearance or performance. Less than three balls were observed by two witnesses on a road for a few seconds (Leach).

20 January 1952 Dusk - Canterbury, UK -   Ex-WRAF observer. Object looked like rod of brilliant gold. Nose of object appeared to have a flame shooting from it as it ploughed through sky. Went from sight behinds woods. Not a plane.

20 January 1952 19:20 - Fairchild AFB, Washington, USA -   USAF incident. Explanation: Meteor.

20 January 1952 19:20 - Fairchild AFB, Washington, USA -   Bluish-white spherical object with a long blue tail that flew beneath a solid overcast

21 January 1952 09:50 - Mitchell AFB, New York, USA -   Navy TBM torpedo bomber chased a dome-shaped circular white object, which then flew rapidly away in the distance. Official explanation: balloon.

22 January 1952 00:20 - Nenana, Alaska, USA -   USAF F-94 incident. Explanation: Mirage.

22 January 1952 00:20 - Nenana, Alaska, USA -   A radar operator tracked an object travelling at 1500 mph, which could also reverse course and hover. F-94 interceptors were sent and also picked up the object on radar, but could see nothing in the night sky. Offical explanation: weather phenomena.

22 January 1952 17:30 - Norwalk, Connecticut, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one witness (Cook). Explanation: Psych.

22 January 1952 19:15 - Dijon, France -   One object was observed.

25 January 1952 19:00 - San Jose, California , USA -   Red lit objects seen for 12 minutes, disappear when landing lights turned on.

28 January 1952 Night - Purewell, UK -   Hovered. Explanation: EM.

29 January 1952 - Maine, USA -   A flying disc was observed. One disc was observed by 400 witnesses. Explanation: Meteor.

29 January 1952 Around 0300 - Christchurch, UK -   Glowing red pear-shaped object hung in northern sky, watched with son for 15 minutes until it gradually faded away.

29 January 1952 18:15 - Elmira, New York, USA -   Transport plane pilot reports near miss from meteor. Several ground witnesses at 1815 hours. Described as fireball shooting sparks. Explanation: Meteor.

29 January 1952 18:15 - Steuban, New York, USA -   A meteor-like object was observed. One object was observed by one witness briefly (Bradley).

29 January 1952 18:15 - Binghamton, New York, USA -   A meteor-like object was observed. One object was observed by several witnesses briefly.

29 January 1952 18:17 - Philadelphia, Pennsylvania, USA -   A meteor-like object was observed. One object was observed by 400 witnesses for 12 seconds. Explanation: Meteor.

29 January 1952 18:30 - Falls Church, Virginia , USA -   A meteor-like object was observed. One object was observed by one witness for over 18 seconds (Kalara). Explanation: Meteor.

29 January 1952 Evening - Anderson Afb, Guam, USA -   Orange colored light crossed overhead at outdoor theater, traveled north to south. No Sound.

29 January 1952 23:00 - Wonsan, North Korea -   USAF B-29 incident. Explanation: Balloon.

29 January 1952 23:00 - Wonsan, North Korea -   B-29 crews sight orange luminous rotating and pulsating three feet sphere with blue flame halo

29 January 1952 23:24 - Sunchon Sse5M, North Korea -   USAF B-29 incident. Explanation: Balloon.

30 January 1952 10:35 - Hampton Bays, New York, USA -   Reports of man parachuting into Tiana Bay. Police and USCG search, find nothing. Speculate that probably saw weather balloon floating into the water. Explanation: Balloon.

In February 1952 17:30 - Gonzales, Texas, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed for over 15 minutes (Schuler). Explanation: Psych.

In February 1952 17:30 - Lake Charles Afb, Louisiana, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by three witnesses for five minutes (Stevenson).

31 January 1952 18:20 - Ponca City, Oklahoma, USA -   A meteor-like object was observed. One object was observed by several witnesses briefly.

31 January 1952 18:20 - Oklahoma City, Oklahoma, USA -   A meteor-like object was observed. One object was observed by a male witness for 12 seconds.

31 January 1952 18:20 - Tinker AFB, Oklahoma, USA -   A meteor-like object was observed. One object was observed by several military witnesses at an airfield briefly.

In February 1952 21:00 - Binghamton, New York, USA -   A flying disc was observed. One disc was observed by two witnesses for under three minutes (Whitbeck).

1 February 1952 21:30 - Terre Haute, Indiana, USA -   Close group of moving lights changing color from blue to green to yellow

2 February 1952 - Pusan, South Korea -   Radar track of 767 mph unidentified target

2 February 1952 03:50 - Eastern, Pacific -   MATS incident. Explanation: Meteor.

2 February 1952 18:35 - Uss Philippine Sea, South Korea -   US Navy incident.

2 February 1952 18:50 - Pacific -   A meteor-like object was observed. One object was observed by military witnesses for a few seconds. Explanation: Meteor.

2 February 1952 19:35 - Pacific -   Two zigzagging targets observed visually and by radar from US naval vessel.

3 February 1952 19:35 - Pacific -   Objects were tracked by radar and sighted visually from USS Philippine Sea. Multiple independent witnesses. Two objects were observed by more than four male military witnesses in a warship for over three minutes.

4 February 1952 18:00 - Amherst, Wisconsin, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 1 foot across, was observed (Palmer).

6 February 1952 - Dobbins AFB, Georgia, USA -   Balloon-like object observed. One ball was observed by military witnesses at an airfield. Explanation: Balloon.

10 February 1952 12:00 - Bandar Abbas, Iran -   A mysterious explosion was reported. One object was observed by several witnesses on the shore.

10 February 1952 19:15 - Selkirk, New York, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by three witnesses for under five minutes (Thein).

10 February 1952 21:00 - Binghamton, New York, USA -   1952 UFO disk outside Binghamton, New York Girls' Club stops for a look at teenage females

11 February 1952 03:00 - Pittsburgh, Pennsylvania, USA -   Yellow orange comet-shaped object pulsing flame

11 February 1952 12:05 - Kansas City, Missouri, USA -   Hovering object seen near B-36. Explanation: Balloon.

11 February 1952 Daytime - Custer, South Dakota, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses briefly (Clark).

12 February 1952 20:30 - Baltimore, Maryland, USA -   MATS incident. USAF C-47 saw two unidentified maneuvering objects during a single flight. Explanation: Aircraft.

13 February 1952 15:45 - C54, Pacific -   MATS incident. Explanation: Aircraft.

13 February 1952 22:30 - Granite City, Illinois, USA -   An object was tracked by radar. One object was observed by a male military witness. Explanation: Malfunct.

13 February 1952 Night - London, UK -   Luminous cigar, blue on bottom, green on both ends.

14 February 1952 Night - London, UK -   A mysterious explosion was reported. One object was observed by 30 witnesses in a city.

In mid-February 1952 Daytime - Dayton, Virginia , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly (Javins).

15 February 1952 18:35 - Changsong-Ni, North Korea -   USMC F-51 incident. Explanation: Aircraft.

15 February 1952 23:00 - Ithaca, New York, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by four witnesses for a few seconds (Miller).

16 February 1952 - Pusan, South Korea -   Radar tracking of unidentified target traveling at 4,320 knots about 60 miles east of Pusan, South Korea

17 February 1952 - Roswell, New Mexico, USA -   Three-foot greenish-blue ball of fire flying straight at 15,000 ft.

17 February 1952 01:45 - Roswell, New Mexico, USA -   USAF incident. Explanation: Meteor.

18 February 1952 - Granite City, Illinois, USA -   An object was tracked by radar. An unidentified object was tracked by radar only by military witnesses.

18 February 1952 06:45 - Albuquerque, New Mexico, USA -   Unidentified but otherwise conventional objects were sighted. Two objects were observed by one witness in a canyon for over 12 minutes (Morris; Redman).

18 February 1952 11:30 - New Bern S30M, North Carolina, USA -   A meteor-like object was observed. One object was observed by two military witnesses briefly (Maddox).

18 February 1952 11:30 - Richmond, Virginia , USA -   A meteor-like object was observed. One object was observed by a male witness briefly (Gowin).

18 February 1952 11:30 - Roanoke, Virginia , USA -   A meteor-like object was observed. One object was observed by a male witness briefly.

18 February 1952 11:30 - Lynchburg, Virginia , USA -   A meteor-like object was observed. One object was observed by a male witness briefly.

18 February 1952 11:30 - Whaleyville, Virginia , USA -   A meteor-like object was observed. One object was observed by several witnesses briefly (Jones).

18 February 1952 11:30 - Greensboro, North Carolina, USA -   A meteor-like object was observed. One object was observed by several witnesses briefly (Molen). Explanation: Meteor.

18 February 1952 11:33 - Portsmouth, Virginia , USA -   A meteor-like object was observed. One object was observed by a male witness briefly.

19 February 1952 - B-29, South Korea -   USAF B-29 incident.

19 February 1952 - Kilimanjaro, Tanzania -   Hovered.

19 February 1952 15:00 - Socorro, New Mexico, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one witness in a desert for two hours (Jaramillo).

19 February 1952 Afternoon - Rio Puerco, New Mexico, USA -   Balloon-like object observed. One ball was observed by one witness (Peckum). Explanation: Balloon.

19 February 1952 15:02 - Greenfield, Massachusetts, USA -   Unusual objects were sighted, that had unconventional appearance and performance. Three discs, larger than a star, were observed in clear weather by one male 50-year-old witness for 18 seconds (Baller).

19 February 1952 18:10 - Corona, California , USA -   Project Blue Book case #02364, "unidentified." Red-orange fireball zig-zagged for 15 minutes. Swooped up and down.

19 February 1952 20:00 - Richmond, California , USA -   Green balls of light stop in midair. Shoot moving rapidly to the south southwest toward San Francisco.

20 February 1952 23:30 - Mount Diablo, California , USA -   USAF incident. Explanation: Balloon.

20 February 1952 23:30 - Dublin, California, USA -   Bright yellow light on collision course climb and accelerate

21 February 1952 10:30 - Central, New Mexico, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness (Roos).

21 February 1952 Daytime - Harrisonburg, Virginia , USA -   More than one object was observed.

21 February 1952 19:00 - Long Beach, California , USA -   Procession of objects. Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Many objects were observed.

21 February 1952 Night - Stillwater, Oklahoma, USA -   A meteor-like object was observed. One object was observed by numerous witnesses briefly.

21 February 1952 Night - Kansas City, Missouri, USA -   A meteor-like object was observed. One object was observed by numerous witnesses briefly.

21 February 1952 Night - Eastern Part, Kansas, USA -   A meteor-like object was observed. One object was observed by numerous witnesses briefly.

21 February 1952 Night - N, Arkansas, USA -   A meteor-like object was observed. One object was observed by numerous witnesses briefly.

22 February 1952 11:00 - El Paso, Texas, USA -   Photo. Explanation: Coincidenc.

22 February 1952 Daytime - Keysville, Virginia , USA -   Silver cigar moves across sky in short bursts of motion.

23 February 1952 02:15 - Atlantic -   MATS incident.

23 February 1952 03:15 - x, Mediterranean -   A mysterious explosion was reported. One object was observed by several military witnesses briefly.

23 February 1952 03:15 - Bizerte, Tunisia -   MATS incident.

23 February 1952 23:15 - Sinuiju, North Korea -   USAF B-29 incident.

24 February 1952 - Imperial Beach, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An object was observed at close range (and physical effects reported) by a male witness (Kiepert).

24 February 1952 22:15 - Sinuiju, North Korea -   Bluish cylinder, 3x long as wide, with a tail and rapid pulsations

24 February 1952 23:15 - Antung, China -   USAF B-29 345th incident.

25 February 1952 14:30 - Gassville Sw7M, Arkansas, USA -   Turkeys panic. Hoops tilt at high altitude, light reflects from invisible center.

25 February 1952 17:13 - Sacramento, California , USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness for 30 seconds (Leonard).

In late February 1952 Dusk - Hollywood, California , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly (Marson).

25 February 1952 23:00 - Richmond, California , USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by three male witnesses briefly (Fickes).

26 February 1952 12:10 - Albany, New York, USA -   USAF incident. Explanation: Meteor.

26 February 1952 Evening - Caracas, Venezuela -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Four objects were observed by 200 witnesses (Sylva).

27 February 1952 - Fort Stockton, Texas, USA -   B-29 and radar sighting of UFO

28 February 1952 20:15 - Lincoln, Nebraska, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses (Hunt).

28 February 1952 22:40 - Cambridge Univ, UK -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness at a college for 18 seconds.

In March 1952 - South Korea -   Disappearance. While on meteorological reconnaisance mission, Wing commander J. Baldwin with the jet aircraft he was flying, disappeared into a cloud from which he did not emerge.

In March 1952 - Fort Lauderdale N Us1, Florida, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An object was observed at close range by a female witness on a highway (Roth, L).

March 1952 - Kansas City, Missouri, USA -   C-54 crew encounters maneuvering metallic saucer, observed for ten minutes (David C Brigham).

In March 1952 04:05 - Fort Jackson, South Carolina, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by a male military witness at a military facility (Goodman).

29 February 1952 10:00 - La Puente, California , USA -   Unidentified objects were sighted, that had an unusual appearance or performance. Two objects were observed by one witness for ten minutes (Knowlton).

In March 1952 12:00 - Glendale, California , USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Less than four objects were observed by several witnesses for ten minutes (Plante).

In March 1952 Daytime - Biel, Switzerland -   Photo of mushroom-shaped object seen sidways-on.

In March 1952 14:30 - Kirksville, Missouri, USA -   TWA C-54 incident.

In March 1952 16:00 - San Bruno, California , USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by one witness (Collier).

29 February 1952 16:30 - Van Etten, New York, USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by two witnesses for five minutes (Palomski).

In March 1952 20:00 - Springdale, Connecticut, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by two witnesses (Pinney).

In March 1952 21:55 - Moerkerke, Belgium -   Nocturnal lights were reported (Van Acker).

In March 1952 22:00 - Sterling, Illinois, USA -   An unidentified but otherwise conventional object was sighted. Electromagnetic effects were noted. An object, larger than a star, was observed (Lundstrom).

29 February 1952 23:30 - Santa Rosa, California , USA -   An unidentified but otherwise conventional object was sighted. One object was observed by two witnesses for under three minutes (Stewart).

1 March 1952 11:44 - Goose Afb, Labrador, Canada -   MATS incident. Explanation: Aircraft.

1 March 1952 16:20 - Brooklyn, New York, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness briefly (Grimstead).

2 March 1952 19:30 - National City, California , USA -   A meteor-like object was observed. One object was observed by two witnesses for six seconds (Asbury; Carr). Explanation: Meteor.

4 March 1952 03:51 - B-29, UK -   A mysterious explosion was reported. One object was observed by one witness in a warplane briefly.

4 March 1952 10:35 - Ashiya AFB, Japan -   US C-54 incident. Bright orange oval object at 10,000 ft. Explanation: Meteor.

In early March 1952 09:15 - Philadelphia, Pennsylvania, USA -   Three objects were observed by one witness for several minutes (Pearce).

5 March 1952 15:50 - Needles, California , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for over four minutes (Crump).

7 March 1952 01:00 - Tulsa, Oklahoma, USA -   RAF incident. Explanation: Aircraft.

7 March 1952 01:00 - Tulsa, Oklahoma, USA -   Bright light pass from right to left, lose altitude and blink out three times

7 March 1952 Daytime - Tucson, Arizona , USA -   Two flat silver objects park in sky over suburbs for several minutes. No radar detection.

8 March 1952 - Twin Falls, Idaho, USA -   A daytime disc was reported (Ulrich).

8 March 1952 10:30 - Lincoln, Nebraska, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness very briefly (Hendricks).

8 March 1952 18:25 - Roanoke, Virginia , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for under four minutes.

8 March 1952 21:30 - Pacific -   Meteor-like objects were observed. Three objects were observed by military witnesses. Explanation: Meteor.

10 March 1952 06:45 - Oakland, California , USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by one witness (Greenwood).

12 March 1952 - Pacific -   MATS incident. Explanation: Meteor.

12 March 1952 18:15 - Columbus, Ohio, USA -   Cylinder turns twice rapidly to the north. Explanation: Aircraft.

12 March 1952 Evening - Athens, Ohio, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by numerous witnesses.

12 March 1952 23:00 - Swampscott, Massachusetts, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses in the suburbs (Andrews).

13 March 1952 07:12 - Keflavik, Atlantic -   Radar. Explanation: Mirage.

14 March 1952 - Port Hammond, British Columbia, Canada -   Nocturnal lights were observed by a male witness (Harms).

In mid-March 1952 13:15 - Mexico, Indiana, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for 42 seconds (Galbraith).

15 March 1952 16:15 - La Bajada, New Mexico, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one witness for a few seconds (Wesley).

15 March 1952 16:30 - Kirtland AFB, New Mexico, USA -   USAF incident. Flattened oval as large as B-29. Explanation: Balloon.

15 March 1952 22:55 - Riviera Beach, Maryland, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by two witnesses (Mason).

15 March 1952 Night - Pacific -   Navy Secretary Kimball witnessed his plane and another paced by disc.

17 March 1952 - Ionia, Michigan, USA -   Disc tips and wobbles in sky. Flashes silver light.

19 March 1952 12:00 - South Ozone Park, New York, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for 18 seconds (Dunn).

20 March 1952 17:30 - Clovis Afb Sw, New Mexico, USA -   USAF incident. Explanation: Balloon.

20 March 1952 22:42 - Centreville, Maryland, USA -   Dull orange-yellow saucer-shaped light fly straight and level

21 March 1952 22:30 - New York, New York, USA -   Several objects were observed by one witness for over 15 minutes.

22 March 1952 00:10 - Downey, California , USA -   An unidentified but otherwise conventional object was sighted. One object was observed by two witnesses for under six minutes (Bently).

22 March 1952 06:33 - Yakima, Washington, USA -   Two sightings of a stationary red fireball increased in brightness

22 March 1952 18:05 - Yakima, Washington, USA -   USAF F-94 incident.

24 March 1952 08:45 - Point Conception, California , USA -   USAF B-29 incident. Unidentified target on airborne radar at about 3,000 mph.

24 March 1952 18:00 - Darien Center, New York, USA -   A meteor-like object was observed. One object was observed by one witness very briefly (Palmer). Explanation: Meteor.

25 March 1952 - St Lawrence Island, Alaska, USA -   An object was tracked by radar. An unidentified object was tracked by radar only by military witnesses. Explanation: Aircraft.

In late March 1952 13:00 - Los Angeles, California , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for a few seconds (Nadina).

25 March 1952 19:00 - Tigerton, Wisconsin, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly (Morganson).

In late March 1952 20:30 - Vauvenargues, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness (Urtin).

25 March 1952 21:05 - Gambell, Alaska, USA -   Objects were tracked by radar. Two objects were observed by more than two military witnesses for 22 minutes. Explanation: Aircraft.

25 March 1952 22:00 - Burlington, New Jersey, USA -   Unidentified objects were sighted, that had an unusual appearance or performance. Two objects were observed by one witness for 90 seconds (Marten).

26 March 1952 10:13 - Fort Stockton, Texas, USA -   Red and green running lights moving at high speed

26 March 1952 14:00 - Grants Pass N, Oregon, USA -   Unusual objects were sighted, that had unconventional appearance and performance. Five objects were observed by several witnesses for ten minutes.

26 March 1952 18:15 - Long Beach, California , USA -   Radio interference as two yellowish discs passed slowly by

26 March 1952 22:13 - B-50, Arizona , USA -   USAF incident. Explanation: Aircraft.

26 March 1952 22:30 - Fort Stockton, Texas, USA -   Radar photo, red and green running lights tracked, moved rapidly, 10-15 minutes duration.

27 March 1952 - Chicago, Illinois, USA -   Discs exit cloud. Flip over completely, return to same cloud.

27 March 1952 12:55 - Downey, California , USA -   Bright aluminum spot of light hung motionless above aircraft plant for 15 minutes, appeared to turn on edge, went straight up out of sight.

29 March 1952 - Misawa, Japan -   Small, very thin, shiny metallic disc fly alongside the AT-6 Brigham Case

29 March 1952 - Lubumbashi, Congo (Dem. Rep.) -   Two fiery discs were seen over uranium mines

29 March 1952 11:20 - Misawa Afb, Japan -   USAF incident. Explanation: Reflection.

29 March 1952 Noon - Colmar Manor, -   One object was observed by one witness for over one minute (Barrow).

29 March 1952 Noon - Colmar Manor, Maryland, USA -   One object was observed by one witness.

29 March 1952 18:40 - Butler, Missouri, USA -   Luminous cylinder in sky almost directly overhead, 12x longer than wide, 100 feet long, moved in steady motion to the northwest, no noise, no exhaust.

29 March 1952 22:45 - Glen Burnie, Maryland, USA -   50 feet flat silver disc with cupola/dome. Explanation: Hoax.

In Spring 1952 - Spokane, Washington, USA -   An unidentified but otherwise conventional object was sighted. Electromagnetic effects were noted. An object, five times the size of the moon, was observed (Buxton).

In Spring 1952 - Denver, Colorado , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. Nocturnal lights were reported.

In April 1952 - Hawaii, USA -   UFOs circle planes carrying Navy Secretary and Admiral Radford.

In April 1952 - Port Credit, Ontario, Canada -   Nocturnal lights were observed by a male witness in a city (Beange).

April 1952 - Hawaii, USA -   Navy Secretary executive plane encounters UFOs

In April 1952 00:00 - L'Anse, Michigan, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness for five minutes (Seavoy).

31 March 1952 01:30 - Port Chicago Navy Yard, California , USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by one witness (Dottin). Explanation: Aircraft.

In Spring 1952 Noon - Fort Monmouth, New Jersey, USA -   Flying discs were tracked by multiple radars and sighted visually. Less than six discs were observed by numerous male experienced military witnesses at a military facility for 20 minutes (Berkmann).

In Spring 1952 Daytime - B-36, Arizona , USA -   USAF B-36 incident.

In April 1952 13:30 - Moody Afb Nw, Georgia, USA -   Zigzag maneuvers.

31 March 1952 15:00 - Greenfield, Massachusetts, USA -   Pair of rings, one above other, flew in parallel, spun in clockwise direction, maneuvered, banked, shot away 1500mph.

In April 1952 17:00 - Bainbridge, Maryland, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two witnesses for five minutes (Silva).

In April 1952 19:00 - Newman, New Mexico, USA -   A flying disc was observed. One disc was observed by one experienced male witness.

In April 1952 Night - USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, about 600 feet across, was observed by two witnesses.

Spring 1952 - Radar Lab, New York, USA -   An object was tracked by radar. An unidentified object was tracked by radar.

1 April 1952 - -   Life magazine, fed by USAF leaks, publishes article "Have We Visitors from Outer Space?"

1 April 1952 07:30 - Gulf of Mexico -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed on the ocean from SS Esso Bermuda.

1 April 1952 13:05 - Stockton, Kansas, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by a male witness in a town for 40 minutes (Marshall).

1 April 1952 19:30 - New Westminster, British Columbia, Canada -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by six witnesses for a few seconds (Brewster).

2 April 1952 - Washington, District Of Columbia, USA -   Photo. Explanation: Malfunct.

2 April 1952 09:00 - Lake Mead, Nevada, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by two military witnesses for several hours (Smith). Explanation: Balloon.

2 April 1952 20:00 - Brownwood, Texas, USA -   A fireball was observed. One fireball was observed by one military witness for 42 seconds. Explanation: Meteor.

2 April 1952 20:35 - Waco, Texas, USA -   A fireball was observed. One fireball was observed by one witness for 30 seconds. Explanation: Meteor.

2 April 1952 20:39 - Lometa Sw6M, Texas, USA -   Radar/visual confirmation.

2 April 1952 20:40 - Bryan, Texas, USA -   USAF incident. Explanation: Meteor.

2 April 1952 20:40 - Randolph AFB, Texas, USA -   A meteor-like object was observed. One object was observed by three witnesses at an airfield briefly (Hedden). Explanation: Meteor.

2 April 1952 20:40 - Wichita Falls, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for six seconds (Horn). Explanation: Meteor.

2 April 1952 20:40 - Kiowa, Oklahoma, USA -   Two objects were observed.

2 April 1952 20:40 - Longview, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

2 April 1952 20:40 - Fort Worth, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for 18 seconds. Explanation: Meteor.

2 April 1952 20:40 - Houston, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for 18 seconds. Explanation: Meteor.

2 April 1952 20:40 - Durant, Oklahoma, USA -   A meteor-like object was observed. One object was observed. Explanation: Meteor.

2 April 1952 20:45 - Temple, Texas, USA -   A fireball was observed. One fireball was observed by 15 military witnesses for over 12 seconds. Explanation: Meteor.

3 April 1952 - Melbourne, Victoria, Australia -   A flying disc was observed. One disc was observed by over 200 witnesses.

3 April 1952 08:15 - Benson, Arizona , USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one military witness at an airport for over 60 minutes (Logan; Wilkerson).

3 April 1952 08:15 - Marana, Arizona, USA -   Pilot of T-6 aircraft and six pilots on ground saw a motionless, bright aluminum shiny oblong object above 54,000 feet. Explanation: Balloon.

3 April 1952 08:30 - Roswell, New Mexico, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness (Schor).

3 April 1952 14:45 - Nellis AFB, Nevada, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. More than 12 objects were observed by five witnesses near a nuclear test site for over three minutes (Royle).

3 April 1952 21:10 - Cayuga Lake, New York, USA -   A meteor-like object was observed. One object was observed (Ott). Explanation: Meteor.

4 April 1952 - Port Hammond, British Columbia, Canada -   A daylight disc was observed by a male witness (Harms).

4 April 1952 20:30 - Duncanville, Texas, USA -   Radar tracked unidentified target by FPS-10 radar

4 April 1952 21:40 - East Spencer, North Carolina, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for over 15 minutes (Saylor).

4 April 1952 22:30 - Hammond, Bc, Ontario, Canada -   Silent green ovoid to the north, turns red, makes 90 degree turn.

5 April 1952 01:30 - Duncanville, Texas, USA -   Project Blue Book "unidentified" case. Military radar. Blip tracked at 2160mph for one minute, no visual sighting.

5 April 1952 10:40 - Phoenix, Arizona , USA -   Project Blue Book "unidentified" case. Large dull-gray disc sighted, then two more. Explanation: Aircraft.

5 April 1952 10:40 - Phoenix, Arizona, USA -   Large, dull grey circular object, followed by two more, fly straight and level at high speed.

5 April 1952 12:00 - San Francisco, California , USA -   Clear photo of ovoid UFO in broad daylight.

5 April 1952 19:25 - South River, New Jersey, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by one witness briefly (Kucharski).

5 April 1952 20:00 - Clearfield, Utah, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by five witnesses for a few seconds (Iverson).

5 April 1952 21:15 - Amarillo, Texas, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by four witnesses for over 15 minutes (Garbutt).

5 April 1952 21:15 - Miami, Florida, USA -   Four dark circular objects with mostly fuzzy edges each Vi the angular size of Moon.

5 April 1952 22:00 - Garvey, California , USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness very briefly (Baur).

5 April 1952 23:50 - Kadena Afb, Japan -   Flight Crew incident.

6 April 1952 14:59 - Temple, Texas, USA -   50-75 grey white discs

6 April 1952 20:15 - Sharon, Pennsylvania, USA -   Fog or smoke. Lights in the sky that looked like "a sideview of someone blowing smoke rings."

7 April 1952 - Macon, Missouri, USA -   A meteor-like object was observed. Nocturnal lights were reported. Explanation: Meteor.

7 April 1952 04:40 - Racine, Wisconsin, USA -   Fiery green, spherical object, trailed by short streamers of red and yellow. Crossed sky, disappeared over horizon.

7 April 1952 04:45 - Memphis, Tennessee, USA -   A meteor-like object was observed. One object was observed by one witness for a few minutes (Monger). Explanation: Meteor.

7 April 1952 Dawn - Walnut Se10M H72, Mississippi, USA -   A meteor-like object was observed. One object was observed by two witnesses for several minutes (Smith). Explanation: Meteor.

7 April 1952 18:00 - St Louis, Missouri, USA -   Hovered.

7 April 1952 Evening - Portland, Oregon, USA -   3 reports of same UFO.

7 April 1952 21:00 - Duncanville, Texas, USA -   Radar

8 April 1952 13:44 - Pear Blossom, California , USA -   CBS-TV staff engineer saw copper-red disc, sharply defined, flying "unbelievably fast." No sound, no contrail.

8 April 1952 Around 2200 - Schenectady, New York, USA -   Nocturnal lights were observed by three male witnesses, typical age 43, in-flight for 45 minutes (Ryan).

9 April 1952 - Pecos, Texas, USA -   Bethune.

9 April 1952 02:30 - Barksdale AFB, Louisiana, USA -   US C-46 incident. 30-40 feet cream color disc-shaped object. Explanation: Balloon.

9 April 1952 15:05 - Pintada, New Mexico, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by several witnesses (Dimas).

9 April 1952 20:10 - Fort Lauderdale, Florida, USA -   A meteor-like object was observed. One object was observed by one military witness briefly (Menninger). Explanation: Meteor.

9 April 1952 22:40 - Lackland AFB, Texas, USA -   A meteor-like object was observed. One object was observed by military witnesses at an airfield for a few seconds (Bethune). Explanation: Meteor.

9 April 1952 Night - Asheville, North Carolina, USA -   Red round object passed above drive-in movie screen at high rate of speed, no sound or exhaust.

9 April 1952 23:25 - Medford, Massachusetts, USA -   A meteor-like object was observed. One object was observed by one witness for two minutes (Field). Explanation: Meteor.

10 April 1952 - Pecos W6M, Texas, USA -   An unusual object was sighted that had unconventional appearance and aerobatic performance. One object, about 80 feet across, was observed for five minutes.

10 April 1952 04:15 - Ada, Minnesota, USA -   Meteor-like objects were observed. More than one object was observed by two witnesses (Turnbull). Explanation: Meteor.

11 April 1952 14:00 - Timiskaming County, Ontario, Canada -   Six silent discs leave vapor trails, go up and down, "not planes".

11 April 1952 Afternoon - Temiscaming, Quebec, Canada -   Six silent discs leave vapor trails, go up and down, "not planes".

11 April 1952 18:25 - Washington, Indiana, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One streak was observed by several witnesses for over four minutes.

11 April 1952 20:00 - Hammond, Bc, Ontario, Canada -   Silent green ovoid to the north, turns red, makes 90 degree turn.

11 April 1952 20:30 - Lancaster, Pennsylvania, USA -   One object was observed.

11 April 1952 22:00 - Sussex, New Jersey, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for over three minutes (McDonough).

11 April 1952 23:30 - Ithaca, New York, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by several witnesses for over 15 minutes (Richards).

12 April 1952 21:15 - Potomac, Maryland, USA -   A meteor-like object was observed. One object was observed by one witness for 18 seconds (Oliver).

12 April 1952 21:30 - Winchester, Virginia , USA -   A meteor-like object was observed. One object, about 6 inches across, was observed by numerous witnesses briefly (Seabright).

12 April 1952 21:30 - North Bay, Ontario, Canada -   Round amber object

13 April 1952 Dawn - Los Alamos, New Mexico, USA -   Unidentified but otherwise conventional objects were sighted. Three objects were observed by one witness near a nuclear test site briefly.

13 April 1952 16:45 - Moriarty AFB, New Mexico, USA -   CPS-5 radar tracking of silver disc-shaped object. Explanation: Balloon.

13 April 1952 20:30 - Longmeadow, Massachusetts, USA -   Project Blue Book "unidentified" case.

13 April 1952 21:07 - Biloxi S, Mississippi, USA -   Dull orange discs over Gulf, change formation, shoot away moving rapidly to the west. Explanation: Meteor.

13 April 1952 21:30 - Cleveland, Ohio, USA -   Brilliant disc at 3000 feet altitude. Vibrates and fades into distance. Explanation: Planet.

13 April 1952 22:35 - Torpo, Norway -   Fireball comes down nearby woods, lights area, hovers, maneuvers, shoots rapidly to the south at great speed.

14 April 1952 - Anchorage, Alaska, USA -   Huge disc-shaped UFO crosses sky. Seen for 30 minutes.

14 April 1952 12:35 - La Crosse, Wisconsin, USA -   Light colored objects fly in V-formation - Tremendous speed

14 April 1952 Daytime - Maddock W2M, North Dakota, USA -   Object changed course twice, then began to wobble or flutter, then shot away on heading of 345 degrees. No sound or exhaust, tilted upward, shot up, gone in a few seconds.

14 April 1952 18:34 - Memphis, Tennessee, USA -   Inverted bowl glowing bright red, three feet long and one foot high

15 April 1952 09:30 - Frenchman Flat, Nevada, USA -   4-6 flying discs pass through atomic cloud after A-Bomb test.

15 April 1952 11:00 - Battiest, Oklahoma, USA -   A meteor-like object was observed. One object was observed by one witness (Reed). Explanation: Meteor.

15 April 1952 19:40 - Santa Cruz, California, USA -   Two faint objects flying fast along the horizon

15 April 1952 19:50 - Gardena, California , USA -   Pulsated at regular intervals, to the north slowly, one red glow preceeding, one behind. White light went off, red glows seemed to merge to form semi-elliptical red glow. Abruptly changed direction in zig-zag.

In mid-April 1952 Around 2100 - Yuma, Arizona , USA -   A flying disc was observed. One disc was observed in clear weather by two witnesses for over one minute (Diggs).

15 April 1952 22:42 - Wichita, Kansas, USA -   A meteor-like object was observed. One object was observed by one military witness for a few minutes (Bloomfield; Rogers). Explanation: Meteor.

15 April 1952 Night - Detroit, Michigan, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by numerous witnesses.

15 April 1952 23:40 - Phoenix, Arizona , USA -   A meteor-like object was observed. One object was observed very briefly.

16 April 1952 - Cloud Above, Mars, Space -   Object sighted, believed to be astronomical in nature. An object which flew in a straight line across the sky was reported. Explanation: Meteor.

16 April 1952 08:00 - Haliburton, Ontario, Canada -   Unusual objects were sighted, that had unconventional appearance and performance. Two objects were observed by two witnesses for five minutes (Baker).

16 April 1952 15:30 - North Bay, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness.

16 April 1952 Around 1900 - Sussex, New Jersey, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by three witnesses for under three minutes (McDonough).

16 April 1952 Around 1900 - Nome, Alaska, USA -   Radar/visual confirmation.

16 April 1952 19:30 - Hamilton, Ontario, Canada -   An unidentified but otherwise conventional object was sighted. One object, about 600 feet across, was observed by six witnesses for five minutes (Scott; Woodland).

16 April 1952 19:48 - Baldwin, New York, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by four witnesses for two minutes (Cameron).

16 April 1952 20:15 - Madison, Wisconsin, USA -   Observed five or six semi-circular objects almost overhead, glowing with a yellowish-white light. Explanation: Aircraft.

16 April 1952 22:00 - San Jose, California , USA -   Photo

16 April 1952 22:03 - Dallas, Texas, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. More than nine objects were observed by one witness in a pasture for 20 minutes (Reed). Explanation: Aircraft.

16 April 1952 22:26 - Shreveport, Louisiana, USA -   Sac Comm., 301St Bomb incident. Explanation: Balloon.

16 April 1952 23:04 - Vallejo, California , USA -   Meteor-like objects were observed. Two objects were observed for 12 seconds (Rhodes). Explanation: Meteor.

17 April 1952 - Point Hope, Alaska, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by military witnesses. Explanation: Aircraft.

17 April 1952 06:47 - Salt Lake City, Utah, USA -   To the south southwest .

17 April 1952 09:00 - Williamsport, Pennsylvania, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses for a few seconds.

17 April 1952 Morning - Scarborough, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses briefly.

17 April 1952 Morning - Coban, Guatemala -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by numerous witnesses.

17 April 1952 11:00 - North Bay, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by numerous witnesses briefly.

17 April 1952 12:05 - Nellis AFB, Nevada, USA -   18 dull white discs rapidly to the east at 1200mph, 40,000 feet altitude. One made zig-zag turns.

17 April 1952 14:09 - Benton, Pennsylvania, USA -   Radar. Explanation: Aircraft.

17 April 1952 14:30 - Muncie, Indiana, USA -   An unidentified object was sighted by mutliple independent witnesses, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses briefly (Crawley; Gaddis).

17 April 1952 15:05 - Yuma, Arizona , USA -   9575 TSU, Weather Observers incident.

17 April 1952 16:00 - Sault Ste Marie, Michigan, USA -   Balloon-like object observed. One ball was observed by one witness for over one minute (McNeil). Explanation: Balloon.

17 April 1952 20:00 - Cassopolis, Michigan, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One blue oval object was observed by two witnesses, a married couple, in a city for six seconds (Tam).

17 April 1952 20:05 - Westmont, Illinois, USA -   Viewed through binoculars, object traveled at great rate of speed from east rapidly to the north, vanished just under Ursa Minor. No tail or exhaust. No visible signs of propulsion.

17 April 1952 20:30 - Longmeadow, Massachusetts, USA -   Round, deep orange object fly fast and erratic

17 April 1952 21:25 - Fort Eustis, Virginia , USA -   A meteor-like object was observed. One object was observed by five military witnesses at a military facility for a few seconds (Cobb). Explanation: Meteor.

18 April 1952 01:30 - Bethesda, Maryland, USA -   7-9 circular, orange-yellow lights. Explanation: Aircraft.

18 April 1952 04:00 - Corner Brook, Newfoundland, Canada -   Yellow ball circles town twice, leaves to the northwest. Comes back 18 hours later.

18 April 1952 07:00 - Montreal, Quebec, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for a few seconds (Lawrence).

18 April 1952 Daytime - Hawkesbury, Ontario, Canada -   Mysterious explosions were reported. Two objects were observed by several witnesses on a river.

18 April 1952 Daytime - South Jutland, Denmark -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by numerous witnesses.

18 April 1952 Afternoon - Brooks Range, Alaska, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed.

18 April 1952 Around 1900 - Hamilton, Ontario, Canada -   A hovering object was observed. One object was observed by several hundred witnesses for 30 minutes.

18 April 1952 21:07 - Kyushu Nw50M, Japan -   Project Blue Book "unidentified" case. Unidentified radar target tracked at 2700mph for one minute.

18 April 1952 21:07 - Kyushu, Japan -   A radar operator tracked unidentified target at 2,700 mph.

19 April 1952 10:50 - Benton, Pennsylvania, USA -   Radar. Explanation: Aircraft.

19 April 1952 11:30 - Hammond, Bc, Ontario, Canada -   An unidentified but otherwise conventional object was sighted. One object was observed.

19 April 1952 Daytime - Barcelona, Spain -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed by several witnesses.

19 April 1952 Daytime - Valencia, Spain -   Several objects were observed by several witnesses.

19 April 1952 14:30 - Brooklyn, New York, USA -   Silvery cigar s light orange streak 2/3 of the way to top for its entire length. Went into a cloud, causing a sparkling light to emanate from cloud, did not emerge.

19 April 1952 14:40 - Red Bluff, California , USA -   Project Blue Book "unidentified" case. GOC observer saw two bullet-shaped object fly fast and straight for 25 seconds.

19 April 1952 16:20 - Dhahran, Saudi Arabia -   A meteor-like object was observed. One object was observed by one witness for six seconds (Day). Explanation: Meteor.

19 April 1952 22:30 - Toronto, Ontario, Canada -   50 or more pale orange lights in V formation cross 30 degrees of sky in seconds.

19 April 1952 23:00 - Jamesville, New York, USA -   An unidentified but otherwise conventional object was sighted. One object was observed (Webb).

19 April 1952 Night - Chestertown, Maryland, USA -   Yellow-orange disc, small, round, and self-luminous, moved across the sky in a weaving, zig-zag motion. Passed over eastern horizon in two minutes, leaving a trail.

20 April 1952 - Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses.

20 April 1952 - -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for over 15 minutes.

20 April 1952 - Tinker AFB, Oklahoma, USA -   Blue-green disc goes over AF base at terrific speed, 15,000 feet altitude.

20 April 1952 03:00 - Solano County, California , USA -   A meteor-like object was observed. One object was observed (Ward). Explanation: Meteor.

20 April 1952 Morning - Goderich, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness at a lake (Brown).

20 April 1952 10:12 - Detroit, Michigan, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses.

20 April 1952 11:30 - London, Ontario, Canada -   TCA incident.

20 April 1952 Daytime - Long Prairie, Minnesota, USA -   A daylight disc was observed by a male witness (Masonick).

20 April 1952 18:15 - Wright-Patterson AFB, Ohio, USA -   A meteor-like object was observed. One object was observed by more than two military witnesses at an airfield for 18 seconds (Miner). Explanation: Meteor.

20 April 1952 18:40 - Griffith Park, California , USA -   Photo. Explanation: Malfunct.

20 April 1952 20:30 - Toronto Apt, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by several witnesses at an airport briefly.

20 April 1952 21:15 - USA -   Naval Aviation Student incident.

20 April 1952 21:30 - Mcclellan Field S1.5M, California , USA -   Commercial Pilot incident.

20 April 1952 21:40 - Flint, Michigan, USA -   20 groups of 2-9 aircraft-shaped objects fly over enveloped in a red glow. Explanation: Natural.

20 April 1952 22:00 - Trenton Apt, Ontario, Canada -   Radar

20 April 1952 22:00 - Cleveland Apt, Ohio, USA -   Radar

20 April 1952 22:35 - Hallingdal, Norway -   An unidentified object, later identified as a planet, was observed. An unidentified object, later identified as a planet, was observed. One object was observed by three witnesses for over 25 minutes (Torel). Explanation: Moon.

21 April 1952 04:05 - La Crosse, Wisconsin, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly (Godward).

21 April 1952 04:30 - Clovis, New Mexico, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one male witness briefly (Markham).

21 April 1952 08:00 - Almansa, Spain -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Four objects were observed by a male witness for over one minute.

21 April 1952 10:00 - Hammond, Bc, Ontario, Canada -   A meteor-like object was observed. One object was observed by numerous witnesses briefly.

21 April 1952 10:30 - Walla Walla, Washington, USA -   Eight crescent-shaped objects fly over town, straight and level.

21 April 1952 14:30 - Browerville, Minnesota, USA -   Dull-gray disc with hump in middle, something like a fin, made no noise at first but as it was fading away behind some trees "we heard a very low hum." No vapor trail, estimated speed 300mph.

21 April 1952 20:30 - Molson, Manitoba, Canada -   Discs and cylinders change colors fast, one stops and backtrasks rapidly to the north.

21 April 1952 21:15 - Calgary, Alberta, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for under three minutes.

21 April 1952 22:15 - Winnipeg, Manitoba, Canada -   Two separate sightings. Nocturnal lights glow green and white, one makes 90 degree turn back rapidly to the south.

22 April 1952 12:15 - Condon N, Oregon, USA -   Three discs in V formation moving rapidly to the east, larger disc turns and leads. Brown on bottom, silver tops.

22 April 1952 12:30 - Temple Bar, Colorado River, Nevada, USA -   Three hours after atomic bomb test, propeller shaped object moved at high speed, high altitude across sky. Took only few seconds to come into view and go clear across sky, rapidly to the southeast.

22 April 1952 Daytime - Ontario, Canada -   An object was observed, which caused dogs to bark. One disc was observed by one male witness.

22 April 1952 21:00 - St Vital, Manitoba, Canada -   Changed colors blue to red to silver. Moved slowly across the sky. At times had a bluish-red tint, no tail.

22 April 1952 21:00 - Okinawa, Japan -   Elliptical object followed by two then another two

22 April 1952 22:15 - Fort Rouge, Manitoba, Canada -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by two witnesses (Alderdice).

23 April 1952 09:30 - Watertown, Massachusetts, USA -   Engineer incident.

23 April 1952 10:45 - Albuquerque, New Mexico, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two male witnesses at an airfield for 12 seconds (Hawk).

23 April 1952 16:30 - Hinkle, Oregon, USA -   A meteor-like object was observed. One object was observed by one witness for 24 seconds (Munger). Explanation: Meteor.

23 April 1952 17:00 - Fort Worth, Texas, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Less than 50 objects were observed by one witness.

23 April 1952 Evening - Pleasant Garden, North Carolina, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for a few seconds (Crow).

23 April 1952 20:00 - Austin, Texas, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by seven witnesses briefly (McGuire). Explanation: Birds.

23 April 1952 22:00 - Reno, Nevada, USA -   A meteor-like object was observed. One object was observed briefly.

23 April 1952 22:15 - Bradford, Pennsylvania, USA -   A meteor-like object was observed. One object was observed by a male witness briefly.

24 April 1952 Around 0500 - Bellevue, Vermont, USA -   CAP incident.

24 April 1952 05:00 - Bellevue Hill, Vermont, USA -   C-124 incident. Three circular, bluish objects in loose "fingertip" formation.

24 April 1952 09:10 - Fairchild AFB, Washington, USA -   Balloon-like object observed. One ball was observed by military witnesses at an airfield for seven minutes. Explanation: Balloon.

24 April 1952 13:30 - Oak Forest, Texas, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two witnesses for over 14 minutes (Schuler). Explanation: Psych.

24 April 1952 14:30 - Milton, Massachusetts, USA -   Two very thin flat, dull reddish orange squarish objects

24 April 1952 19:30 - Vancouver, British Columbia, Canada -   Double V formation of glowing objects moving rapidly to the north and extreme speed, shoot straight up, lost in sky.

24 April 1952 20:10 - Clovis, New Mexico, USA -   Orange-amber lights, sometimes separate, sometimes fused

24 April 1952 20:20 - Austin, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly.

24 April 1952 21:00 - Regina, Saskatchewan, Canada -   Disc with kite-tail hovers for few seconds, then spurts flames and moves moving southwest .

24 April 1952 21:15 - Moorhead, Minnesota, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. 25 objects were observed by several witnesses briefly.

24 April 1952 21:30 - Spokane, Washington, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by four military witnesses briefly.

24 April 1952 21:30 - Parkville, Missouri, USA -   Bright green object, revolving on vertical axis, crossed behind dormitory building on Park College campus.

24 April 1952 22:15 - Colorado Springs, Colorado , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for six seconds.

25 April 1952 03:00 - Serchio River, Italy -   Shining white metal disc, legs, ladder and tube, transparent dome. Landed in river. Shot red beams of light at witnesses, which they avoided by jumping into a ditch.

25 April 1952 03:30 - Regina, Saskatchewan, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One disc was observed by three witnesses in a city for a few seconds (Gataint).

25 April 1952 11:00 - San Jose, California , USA -   Scientist sighting, oscillatory motion, extraordinary implied propulsion. 50 feet away small 4-5' diameter disc wobbling and rotating. Black object joined by two more at 10,000 feet "jittered around". - to the north northeast .

25 April 1952 Daytime - Ottawa, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses briefly (Kennedy).

25 April 1952 21:00 - Fargo, North Dakota, USA -   V-shaped formations of lights seen. Explanation: Ducks.

25 April 1952 21:15 - Darmstadt, Germany -   C-47 incident. Explanation: Aircraft.

26 April 1952 - Milwaukee, Wisconsin, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Five discs were observed in a city for over one minute.

26 April 1952 - Chicago, Illinois, USA -   Nocturnal lights were observed by a male witness (Root, V).

26 April 1952 Daytime - Lake Wilcox, Ontario, Canada -   A flying disc was observed. One disc was observed for six seconds.

26 April 1952 Night - Moorhead, Minnesota, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Five objects were observed by six witnesses briefly. Explanation: Ducks.

27 April 1952 - Lumberton, North Carolina, USA -   A flying disc was observed. One disc, about 10 feet across, was observed by one experienced male witness in a yard (Allen). A sizzling sound was heard.

27 April 1952 08:08 - Grand Rapids, Michigan, USA -   A flying disc was observed. One disc was observed by one witness for 18 seconds (Sturegon). Explanation: Aircraft.

27 April 1952 16:15 - Seville, Michigan, USA -   Silver oval roll, descend and stop

27 April 1952 19:20 - Waskish, Minnesota, USA -   GOC incident. Explanation: Meteor.

27 April 1952 20:30 - Yuma, Arizona, USA -   Bright red or flame-colored discs

27 April 1952 21:30 - Manchester, Michigan, USA -   A green fireball was observed. One green disc, about 300 feet across, was observed by two witnesses on a farm briefly (Hoffman). No sound was heard.

27 April 1952 22:40 - Cleveland E, Ohio, USA -   Flash of light, thin pencil of white light arced upward and rearward, followed by flash of brilliant green. Explanation: Meteor.

27 April 1952 Night - Vancouver, British Columbia, Canada -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed by one witness (Mody).

27 April 1952 Night - Auckland N, New Zealand -   A flying disc was observed. One disc was observed.

27 April 1952 23:15 - Birmingham, Michigan, USA -   Witness observed an object approximately 200 feet in diameter and approximately 200 feet off the ground. Explanation: Meteor.

28 April 1952 04:20 - Vancouver, British Columbia, Canada -   An unusual object was sighted, that had unconventional appearance and performance. One amber ball was observed by one witness in a city for ten minutes (Warnchuk).

28 April 1952 17:00 - Homewood, Illinois, USA -   Two civilian witnesses reported to the Air Force that an object in the SE that resembled a white parachute was apparently circling a large airplane for about three minutes.

28 April 1952 18:50 - Lake Tanwax, Washington, USA -   Unidentified objects were sighted, that had an unusual appearance or performance. 10 objects were observed briefly.

29 April 1952 Dawn - Vancouver, British Columbia, Canada -   An unidentified but otherwise conventional object was sighted. One object was observed by several witnesses (Warnchuk).

29 April 1952 08:00 - Singapore, Singapore -   A cigar-shaped object was observed. One silver cigar-shaped object was observed by a male witness in a city for over one minute.

29 April 1952 Daytime - Irun, Spain -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Several objects were observed by three witnesses.

29 April 1952 15:30 - Marshall, Texas, USA -   Project Blue Book "unidentified" case. White disc in slow, low flight path, made side-to-side oscillations.

29 April 1952 19:40 - Coldwater, Ohio, USA -   Balloon-like object observed. One ball was observed (Mueller). Explanation: Balloon.

29 April 1952 19:50 - Crown Point E1+M, Indiana, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by four witnesses for ten minutes (Holley).

29 April 1952 Evening - Dayton, Ohio, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one witness for 45 minutes (Jarbene).

29 April 1952 20:00 - Toledo, Ohio, USA -   Unidentified but otherwise conventional objects were sighted. Several objects were observed by several witnesses for a few seconds. Explanation: Contrail.

29 April 1952 21:55 - Albuquerque, New Mexico, USA -   A meteor-like object was observed. One object was observed in a canyon briefly.

29 April 1952 22:00 - Goodland N, Kansas, USA -   USAF B-29 incident.

29 April 1952 22:18 - Crescentwood, Manitoba, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by six witnesses for over three minutes.

29 April 1952 22:30 - Holloman AFB, New Mexico, USA -   Balloon-like object observed. One ball was observed by one witness at an airfield for several hours. Explanation: Balloon.

30 April 1952 - Singapore, Singapore -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

In May 1952 - Maroc C.Espagnole, Morocco -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Nine objects were observed.

In May 1952 - Sydney, New South Wales, Australia -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed in clear weather by one experienced male witness (Ireland).

In May 1952 - Warragul, Victoria, Australia -   Flying discs were observed. Two discs were observed by one experienced male witness (Dent).

30 April 1952 02:00 - Rouyn, Quebec, Canada -   One object was observed for two minutes.

30 April 1952 Dawn - North Bergen, New Jersey, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed briefly.

In May 1952 Around 0600 - Woollahra, New South Wales, Australia -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, about 300 feet across, was observed by one experienced male witness for over one minute (Anderson; Fidler).

30 April 1952 07:46 - Moriarty AFB, New Mexico, USA -   Two reports of same UFO. Radar tracking of 4,000 mph first. Explanation: Malfunct.

30 April 1952 12:00 - Ceuta, Morocco -   Procession of objects.

30 April 1952 13:30 - Malibu Beach, California , USA -   An unidentified but otherwise conventional object was sighted. One object was observed by four witnesses for ten minutes (McAllister).

In May 1952 17:00 - Bechar, Algeria -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

1952 May 1 to 20 17:20 - George AFB, California , USA -   A series of eight observations of flying objects were made by Air Force ground and air observors over a three week period.

30 April 1952 18:00 - South Korea -   Two white-silver discs rumbled high in sky over valley over front lines. Later two anomalous holes, 25' apart, 2' wide, 7.5' long were found in ground.

In May 1952 Evening - Kensington, UK -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one witness.

May 1952 22:00 - Washington, District of Columbia, USA -   Prominent CIA and government officials see UFO

30 April 1952 22:30 - Vancouver, British Columbia, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by three witnesses for a few seconds (Storness).

In May 1952 22:50 - Prospect Heights, Illinois, USA -   White luminous domed disc hovered over vacant lot beside house. In windows three figures visible, wearing parka coveralls and hoods. Ship became brilliant red-orange, moving rapidly to the fast.

In May 1952 23:10 - Olean, New York, USA -   GOC incident.

1 May 1952 05:32 - Moses Lake, Washington, USA -   AEC Employee incident. Explanation: Aircraft.

1 May 1952 07:58 - Palomar Gardens, California , USA -   Photo of cigar-shaped object.

1 May 1952 09:10 - Tucson, Arizona, USA -   Two shiny round 20-25-foot objects. Explanation: Aircraft.

1 May 1952 10:50 - George AFB, California , USA -   Lt. Colonel incident.

1 May 1952 10:50 - Apple Valley, California, USA -   Five flat white discs about the diameter of a C-47's wingspan

1 May 1952 14:00 - Vanvey-Grey, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

1 May 1952 20:30 - Sea Island Apt, British Columbia, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness at an airport for a few seconds (Brewster; Bryson; Garland).

1 May 1952 21:15 - Toronto, Ontario, Canada -   Three objects were observed.

1 May 1952 21:22 - Ottawa, Ontario, Canada -   An unidentified object was sighted by mutliple independent witnesses, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for over one minute (Findley).

1 May 1952 21:22 - Alfred, Ontario, Canada -   An unidentified object was sighted, that had an unusual appearance or performance. One rectangular object was observed by one witness on a farm for over one minute.

1 May 1952 21:40 - Portland, Maine, USA -   Unidentified but otherwise conventional objects were sighted. Six lights were observed by three witnesses in a city for over three minutes.

3 May 1952 - Warragul, Victoria, Australia -   Unusual objects were sighted, that had unconventional appearance and performance. Two shiny discs were observed in a city for two minutes.

3 May 1952 05:40 - Melbourne, Victoria, Australia -   A meteor-like object was observed. One object was observed by 100 witnesses for over one minute (Knox). Explanation: Meteor.

3 May 1952 Around 0600 - Wollongong, New South Wales, Australia -   A meteor-like object was observed. One fuselage-shaped object, of huge size, was observed by a male witness in a residential area for seven minutes. Explanation: Meteor.

3 May 1952 23:00 - Phoenix, Arizona , USA -   A meteor-like object was observed. One object was observed by four military witnesses for six seconds (Duncanson). Explanation: Meteor.

3 May 1952 Night - Chestertown, Maryland, USA -   Three men heard strange whooshing noise. Looking up they saw a black speck, high in the sky, moving back and forth. Went straight up out of sight.

4 May 1952 - San Francisco, California , USA -   Photo

4 May 1952 03:32 - Richmond, Texas, USA -   A meteor-like object was observed. One object was observed by one witness for 12 seconds (Sciler). Explanation: Meteor.

4 May 1952 Evening - Los Angeles, California , USA -   An unidentified but otherwise conventional object was sighted. One object was observed by one witness for 30 seconds (Poole).

5 May 1952 - Lima, Ohio, USA -   Nocturnal lights were observed by one male witness (Lora).

5 May 1952 - Durango, Colorado , USA -   Two silver discs near Vanadium Corportation's uranium processing plant.

5 May 1952 05:03 - Ottawa, Ontario, Canada -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness briefly.

5 May 1952 11:30 - Kampung Che Rose, Malaysia -   A flying disc was observed. One blue disc was observed by more than three witnesses.

In early May 1952 Evening - Ravenwood, Virginia , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed in the suburbs for six seconds (Harvey).

5 May 1952 22:50 - Tenafly, New Jersey, USA -   Project Blue Book "unidentified" case. 6-7 translucent cream colored objects. One circled. Another went out, came back.

6 May 1952 Around 0600 - Wagga Wagga 50M, New South Wales, Australia -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One cigar-shaped object, about 150 feet across, around 500 feet away, was observed by one experienced male witness on a farm (Geppart).

6 May 1952 21:00 - Phoenix, Arizona , USA -   A meteor-like object was observed. One object was observed by one witness for a few seconds (Sturtz). Explanation: Meteor.

6 May 1952 23:45 - Paris, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

7 May 1952 01:00 - Barra da Tijuca, Brazil -   Barra da Tijuca photos. Official explanation: hoax.

7 May 1952 12:15 - Keesler AFB, Mississippi, USA -   Aluminum or silver cylindrical object dart in and out of the clouds ten times.

7 May 1952 13:30 - Nashville S, Tennessee, USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by one witness for over five minutes. Explanation: Balloon.

7 May 1952 20:45 - Albuquerque, New Mexico, USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by one witness for over three minutes (Frenkel; Lansche).

8 May 1952 - Jacksonville, Florida, USA -   Brilliant white approached Pan Am Flight 203 from the left below solid overcast at 10,000 ft

8 May 1952 02:27 - Jacksonville, Atlantic -   PAA 203 incident West 600 miles from Jacksonville. Explanation: Meteor.

8 May 1952 18:00 - La Roche Sur Yon, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

8 May 1952 Around 2100 - Mayaguez, Puerto Rico, USA -   Unidentified but otherwise conventional objects were sighted. Two objects were observed by five witnesses for ten minutes (Bayouth). Explanation: Flare.

8 May 1952 22:00 - Misawa F-94, Japan -   A meteor-like object was observed. One object was observed by two military witnesses in a warplane for six seconds. Explanation: Meteor.

8 May 1952 22:30 - Mishawaka, Indiana, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One domed disc was observed in a town for 30 seconds (Kramer).

9 May 1952 01:30 - Malvern Hills, UK -   One object, about 20 feet across, was observed by three witnesses.

9 May 1952 10:00 - Sao Paulo, Brazil -   A meteor-like object was observed. One object was observed for six seconds. Explanation: Meteor.

9 May 1952 10:20 - George AFB, California , USA -   USAF F-86 incident. Explanation: Balloon.

9 May 1952 21:00 - San Diego, California , USA -   A meteor-like object was observed. One object, about 80 feet across, was observed by two witnesses (Gates). Explanation: Meteor.

10 May 1952 - Pacific -   A meteor-like object was observed. Nocturnal lights were reported. Explanation: Meteor.

10 May 1952 08:40 - Poitiers, France -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by two witnesses.

10 May 1952 14:00 - Albuquerque, New Mexico, USA -   USAF Colonel incident. Explanation: Balloon.

10 May 1952 14:00 - Albuquerque, New Mexico, USA -   Two silvery disc-shaped objects

10 May 1952 18:00 - La Roche.Yon, France -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by 12 witnesses (Faivre).

10 May 1952 20:30 - off Cyprus, Mediterranean -   One object was observed by a group of witnesses.

10 May 1952 20:30 - Pafos, Cyprus -   Luminous circular object rise from sea level

10 May 1952 23:30 - Nazelles, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

10 May 1952 23:40 - Savannah River Aec, Ellenton, South Carolina, USA -   Dupont incident.

11 May 1952 - Albacete, Spain -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed by several witnesses for over four minutes.

11 May 1952 00:30 - Tours, France -   Brilliant silver saucer rapidly to the south overhead fast.

11 May 1952 01:20 - Green Lake, Seattle, Washington, USA -   A mysterious explosion was reported. One object was observed. Explanation: Meteor.

11 May 1952 01:26 - Whidbey Island, Washington, USA -   Nocturnal lights were reported.

11 May 1952 01:26 - Hobart, Washington, USA -   A meteor-like object was observed. One object was observed by a male witness for six seconds (Carlson). Explanation: Meteor.

11 May 1952 12:20 - George AFB, California , USA -   2 reports of same UFO. Explanation: Aircraft.

11 May 1952 Evening - Los Angeles, California , USA -   One object was observed by two witnesses (Poole).

11 May 1952 20:58 - Deephaven, Minnesota, USA -   A meteor-like object was observed. One object was observed by one military witness for 12 seconds (Brizzley). Explanation: Meteor.

12 May 1952 13:45 - Paris, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

12 May 1952 18:30 - La Roche.Yon, France -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed by four witnesses (Faivre).

12 May 1952 20:00 - Casablanca, Morocco -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed.

12 May 1952 20:45 - Roswell W, New Mexico, USA -   An object, later identified as the planet Venus, was observed. One object was observed by one witness for over 25 minutes (Bear). Explanation: Venus.

12 May 1952 20:55 - San Diego, California , USA -   Nocturnal lights were reported (Carr).

12 May 1952 21:16 - Canton, Ohio, USA -   One object was observed by military witnesses (Grays).

13 May 1952 02:15 - El Centro, California, USA -   Flying saucers as big as bombers and other unidentified objects are seen between El Centro Calfornia and Yuma, Arizona. Explanation: Venus.

13 May 1952 03:41 - X, California , USA -   An object was tracked by radar. One object was observed. Explanation: Meteor.

13 May 1952 04:50 - Yuma, Arizona , USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by one witness at an airport for a few seconds (Malin). Explanation: Reflection.

13 May 1952 09:30 - Oujda, Morocco -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed.

13 May 1952 09:30 - Santarem, Portugal -   Dazzingly brilliant sphere with vapor trail observed for several minutes. Explanation: Aircraft.

13 May 1952 13:55 - George AFB, California , USA -   T-6 incident. Explanation: Balloon.

13 May 1952 19:20 - Mayaguez, Puerto Rico, USA -   Project Blue Book "unidentified" case. two orange balls, one hovers, one darts out and back.

13 May 1952 20:55 - National City, California , USA -   A meteor-like object was observed. One object was observed by one witness (Carr). Explanation: Meteor.

13 May 1952 22:33 - Greenville, South Carolina, USA -   Four oval reddish-yellow or reddish-brown luminous objects. Explanation: Natural.

14 May 1952 - National City, California, USA -   Meteor-like object seen descending in a curving path to the northwest over the San Diego Bay area

14 May 1952 00:50 - Yellow Springs, Ohio, USA -   A meteor-like object was observed. One object was observed by one witness for six seconds (Ducanto). Explanation: Meteor.

14 May 1952 13:05 - George AFB, California , USA -   T-6 incident. Explanation: Balloon.

14 May 1952 19:00 - Mayagueez, Puerto Rico -   Two shining orange spheres

14 May 1952 23:50 - Melungsawan, Sweden -   A meteor-like object was observed. One object was observed by four witnesses for 12 seconds. Explanation: Meteor.

14 May 1952 24:00 - Bresil, Brazil -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

15 May 1952 11:00 - Chasong, North Korea -   Silvery oval shaped object larger than a MiG jet

15 May 1952 11:00 - Chasong, North Korea -   Silvery oval shaped object larger than a MiG jet

In mid-May 1952 13:30 - Gallman W2M, Mississippi, USA -   One object was observed for six seconds (Wells).

15 May 1952 18:30 - La Roche.Yon, France -   Two objects were observed by four witnesses (Faiure).

15 May 1952 20:00 - North Korea, North Korea -   F-51 18th Fighter-Bomb Group incident. Explanation: Flare.

15 May 1952 20:30 - San Francisco, California , USA -   An unidentified but otherwise conventional object was sighted. One object was observed for five minutes (Hamelin).

15 May 1952 22:00 - Ruidoso, New Mexico, USA -   USAF incident.

15 May 1952 22:25 - Washington, District of Columbia, USA -   Soft golden glowing oval object. Explanation: Meteor.

15 May 1952 23:00 - Tours, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

16 May 1952 - Malung, Sweden -   A luminous object like "glass lit from inside" moves silently across sky. Explanation: Planet.

16 May 1952 15:30 - Remote, Oregon, USA -   One object was observed by a female witness (Beers).

16 May 1952 16:30 - Rio De Janeiro Apt, Brazil -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed at an airport for ten minutes (Concalves).

18 May 1952 - Greenville, South Carolina, USA -   Four amateur astronomers observed a diamond-shaped formation, oval shaped objects, wobbled in flight

18 May 1952 14:25 - Cleveland, Ohio, USA -   A meteor-like object was observed. One object was observed (Bartlett). Explanation: Meteor.

19 May 1952 19:55 - San Angelo, Texas, USA -   7 bright white circular or doughnut shaped white contrails,. Explanation: Balloon.

20 May 1952 13:25 - George AFB, California , USA -   A flying disc was observed. One disc was observed by several military witnesses at an airfield for five minutes. Explanation: Balloon.

20 May 1952 22:10 - Houston, Texas, USA -   Bright or white oval object

20 May 1952 Night - Ancona, Italy -   One object was observed by several witnesses for 30 seconds.

21 May 1952 - National City, California , USA -   A meteor-like object was observed. Nocturnal lights were reported. Explanation: Meteor.

21 May 1952 - Peoria 10M, Illinois, USA -   Traces.

21 May 1952 08:30 - Lombard, Illinois, USA -   An object was observed. Traces found. One object was observed by one witness (Marquart). Explanation: Debris.

21 May 1952 18:50 - Sturgeon Bay, Wisconsin, USA -   A flying disc was observed. One disc, about 1000 feet across, was observed by 300 witnesses for 50 minutes (Lorenzen, C).

21 May 1952 Night - Carignano, Italy -   One object was observed.

22 May 1952 - Lockbourne Afb, Ohio, USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by two witnesses at an airfield.

22 May 1952 02:00 - Falls Church, Virginia, USA -   Noiseless red light approach from W at about 5,000 ft

22 May 1952 03:20 - Rainy Lake, Minnesota, USA -   Unusual objects were sighted, that had unconventional appearance and performance. More than one object was observed by a male witness at a lake for a few seconds (McClellan).

22 May 1952 04:10 - Atlantic -   Procession of objects seen by SS Mormacyork.

22 May 1952 11:40 - Stockton, California , USA -   An object was tracked by radar and sighted visually. One object was observed by eight witnesses for over 25 minutes (Pickering). Explanation: Balloon.

22 May 1952 Around 1800 - Port Allegany, Pennsylvania, USA -   One object was observed by four witnesses (Benson).

22 May 1952 18:30 - La Roche.Yon, France -   Procession of objects. Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Many objects were observed.

22 May 1952 21:42 - Ruston E15M, Louisiana, USA -   Procession of objects.

23 May 1952 16:45 - Kirtland AFB, New Mexico, USA -   Silvery or aluminum color flat on the bottom, slightly rounded on top. Explanation: Debris.

23 May 1952 20:00 - Washington, District Of Columbia, USA -   Radar

23 May 1952 23:30 - San Lorenzo, California , USA -   One object was observed (Warren).

24 May 1952 - Kars, Ontario, Canada -   Nocturnal lights were reported.

24 May 1952 - Bellevue Hill, Vermont, USA -   Three circular, bluish objects in loose fingertip formation

24 May 1952 00:30 - Burbank, California , USA -   While driving home from night shift work at aircraft factory, Orfeo Angelucci has first contactee experience with video image of man and woman projected by two green globes. Explanation: Hoax.

24 May 1952 01:27 - Zuni, New Mexico, USA -   TWA incident. Explanation: Meteor.

24 May 1952 01:27 - Zuni, New Mexico, USA -   Two reddish torpedo-shaped objects appear in front of the aircraft

24 May 1952 08:00 - Santa Rosa E25M, California , USA -   Balloon-like object observed. One ball was observed by two military witnesses for two minutes (Metcher). Explanation: Balloon.

24 May 1952 Around 2200 - Colorado Springs, Colorado , USA -   Five objects were observed (Stevens).

In late May 1952 - Austin, Pennsylvania, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two witnesses.

In late May 1952 Around 0200 - Hammond, Indiana, USA -   Procession of objects.

25 May 1952 09:00 - New Jersey Shore, New Jersey, USA -   Fishermen incident.

25 May 1952 09:58 - Tierra Amarilla Afs, New Mexico, USA -   An object was tracked by radar. One object was observed by several military witnesses at a military facility for 42 seconds. Explanation: Malfunct.

25 May 1952 20:30 - Scottsdale, Arizona , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one witness for 12 seconds (Kavanagh).

25 May 1952 20:50 - Ashland, Kentucky, USA -   Large "oyster" like objects circle down and double back, fly rapidly to the north.

25 May 1952 21:15 - Walnut Lake, Michigan, USA -   Large white circular object having dark sections on its rim

25 May 1952 21:27 - Randolph AFB, Texas, USA -   USAF Captain incident. 12 orange-white tear-drop shaped lights. Explanation: Natural.

25 May 1952 21:30 - Lubbock, Texas, USA -   12 teardrop shaped objects in three tight V formations move east rapidly to the west at 1800 mph, silent.

25 May 1952 23:30 - Los Alamos, New Mexico, USA -   Radiation was detected at Los Alamos at 2330 hours

26 May 1952 - Halifax, Nova Scotia, Canada -   Nocturnal lights were reported.

26 May 1952 03:20 - Grid Area Ct 4856, South Korea -   USAF F-94C incident. Explanation: Flare.

26 May 1952 03:20 - North Korea -   Bright white object that accelerated to high speed and tracked by ground radar.

26 May 1952 10:30 - Tyler, Texas, USA -   Unidentified objects were sighted, that had an unusual appearance or performance. Three objects were observed by two witnesses (O'Byrne).

27 May 1952 20:30 - Mostaganem, Algeria -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, about 600 feet across, was observed.

27 May 1952 Night - New York, New York, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by three witnesses (O'Brien).

27 May 1952 23:20 - Aljaraque, Spain -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for over four minutes.

28 May 1952 10:30 - Saigon, Vietnam -   Project Blue Book "unidentified" case. Cloud churns and silver disc exits, then returns to cloud.

28 May 1952 13:15 - Modane, France -   A daytime disc was reported.

28 May 1952 13:45 - Albuquerque Ne, New Mexico, USA -   Firemen incident.

28 May 1952 13:45 - Albuquerque, New Mexico, USA -   Two circular objects

28 May 1952 14:00 - Albuquerque, New Mexico, USA -   Fireman incident.

28 May 1952 20:10 - New Mexico, USA -   A meteor-like object was observed. Nocturnal lights were observed by a male witness. Explanation: Meteor.

28 May 1952 20:10 - Albuquerque E, New Mexico, USA -   USAF B-29 incident. Explanation: Meteor.

28 May 1952 20:10 - Albuquerque, New Mexico, USA -   Two circular objects

28 May 1952 22:10 - Ontario, California , USA -   One object was observed by three witnesses (Sperry).

28 May 1952 22:10 - Rockaway Beach, New York, USA -   A meteor-like object was observed. One object was observed (Olds).

28 May 1952 23:05 - Waynesville, North Carolina, USA -   Landed remotely.

28 May 1952 23:30 - Tulsa B29, Oklahoma, USA -   A meteor-like object was observed. Nocturnal lights were observed by military witnesses. Explanation: Meteor.

28 May 1952 23:30 - Mount Vernon, Ohio, USA -   A lunar anomaly was observed. One object was observed (Legros). Explanation: Moon.

29 May 1952 - Saginaw Bay, Michigan, USA -   An object was tracked by radar. One object was observed.

29 May 1952 - -   Elliptical objects with apparent domes observed from USN aircraft carrier

29 May 1952 Around midnight - Vancouver, British Columbia, Canada -   A meteor-like object was observed. One object was observed by one witness very briefly (Milliken).

29 May 1952 00:30 - Mezieres.Brenne, France -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Two objects were observed.

29 May 1952 00:30 - Nazaire, France -   Very luminous disc hovers, flies to the northwest leaving trail of sparks. 25 minutes later seen in St Gildas.

29 May 1952 02:33 - Enid, Oklahoma, USA -   B-29 incident. Explanation: Meteor.

29 May 1952 14:30 - Edwards AFB, California , USA -   Several technicians see two metallic discs curve through sky, three moving rapidly to the west, leave no contrails. 400 mph. Explanation: Aircraft.

29 May 1952 19:00 - San Antonio, Texas, USA -   AF pilot on ground. Cylinder tilts vertically and horizontally. Explanation: Meteor.

29 May 1952 19:00 - San Antonio, Texas, USA -   Bright tubular object tilt from horizontal to vertical

29 May 1952 21:15 - Mount Vernon 12K, Virginia , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by three witnesses. Explanation: Birds.

29 May 1952 23:30 - St-Gildas, France -   A hovering object was observed. One object was observed.

29 May 1952 24:00 - Cholet, France -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by three witnesses.

30 May 1952 - Oshima, Japan -   Round black object first motionless then moving rapidly

30 May 1952 00:35 - Seattle, Washington, USA -   Police incident. Explanation: Meteor.

30 May 1952 00:35 - Vancouver Apt, British Columbia