24 May 1971 Around 1700 - Budapest, Hungary -   Hungarian AF MiG Fighters incident.

24 May 1971 17:06 - Zagreb, Croatia -   Flight 728 incident.

5 June 1971 - Fulton, Missouri, USA -   Ground radar, visual confirmation by airliner crew. four metallic cigars, 6m long fly rapidly to the west, only 90m away from plane. No contrails.

In July 1971 Dusk - Yakima Valley, Washington, USA -   An object was tracked by radar. Multiple independent witnesses. One object was observed by several witnesses.

8 July 1971 After 2000 - Thurgau, Switzerland -   Radar/visual confirmation.

9 August 1971 - Uberaba, Brazil -   Glowing disc startles veteran Brazilian

19 August 1971 20:30 - -   An object was tracked by radar. One object was observed (Starr).

16 September 1971 20:45 - Manosque, France -   Radar/visual confirmation. Astronomers and many other witnesses. 12m diameter disc maneuvers and turns, moving rapidly to the northeast .

22 September 1971 Around 2000 - Easton, Maryland, USA -   Police incident.

In October 1971 - Zagreb, Croatia -   An object was tracked by radar. One object was observed for 30 minutes.

In October 1971 17:30 - Rijeka, Croatia -   Photo

8 October 1971 16:55 - Krk Apt, Croatia -   Objects were tracked by radar and sighted visually. Two objects were observed by one witness at an airport.

13 October 1971 16:25 - Zagreb, Croatia -   Radar/visual confirmation.

4 November 1971 - Friendship Apt, Maryland, USA -   An object was tracked by radar. An unidentified object was tracked by radar at an airport.

In 1972 - Albuquerque, New Mexico, USA -   FAA Radar incident.

30 November 1971 14:30 - Bardufoss Ne160K, Norway -   Radar/visual confirmation.

11 December 1971 Around 2000 - Garden Grove, California , USA -   Radar/visual confirmation.

12 December 1971 Evening - Geneve Cointrin, Switzerland -   An object was tracked by radar. An unidentified object was tracked by radar only by more than one witness. Explanation: Malfunct.

13 December 1971 - Easton, Maryland, USA -   Objects were tracked by radar and sighted visually. Two objects were observed by more than three witnesses for several hours.

13 December 1971 Evening - Dover AFB, Delaware, USA -   An object was tracked by radar. One object was observed by military witnesses at an airfield.

14 December 1971 - Paxuxent Naval Air, Maryland, USA -   Objects were tracked by radar. More than one object was observed by military witnesses at an airfield.