| 4 Sep 1971 - Lago De Cote, Costa Rica |
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4 September 1971 08:25 Lago De Cote, Costa Rica 
Costa Rican Natl Geog Inst incident.
Nautical UFO. Survey plane taking aerial photos at 10,000 captures photo of disc emerging from lake. Crew did not see UFO at the time. A flying disc was observed and photographed. One disc was observed at a lake. Hynek rating: DD: Daylight Discs Vallee rating: FB2: FB1 accompanied by physical evidence. Vallee reliability rating: 444: Firsthand personal interview with the witness by a source of proven reliability; site visit by a skilled analyst; no natural explanation possible, given the evidence. Other sightings in this area Sources: - 43 - 615 |
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