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This NICAP-hosted compilation of USAF Project Blue Book records covers the radar-visual intercept of 1 August 1952 near Bellefontaine, Ohio. It holds a press clipping, the ATIC case summary, correspondence between the Air Technical Intelligence Center and the 664th AC&W Squadron, and a completed radar data sheet. Two F-86s from Wright-Patterson took gun camera film of the object. The early evaluation lists it as unknown, but other pages attribute the sighting to a jet on radar and a research balloon seen by the pilots.
“The Advance”1 page
Read from the scan by GLM-OCR; expect the odd misread word.
PROJECT 10073 WEATHER DATA SELECT ALTITUDE (feet) VELOCITY (km/h) DIRECTION (degree) ALTITUDE (feet) VELOCITY (km/h) DIRECTION (degree) 0 17 180 25,000 25 270 1,000 30,000 29 280 2,000 24 270 35,000 29 290 3,000 29 270 40,000 26 276 4,000 34 270 45,000 31 276 5,000 33 260 50,000 31 260 6,000 34 260 55,000 33 270 7,000 33 260 60,000 8,000 39 260 65,000 9,000 21 260 70,000 10,000 22 260 75,000 12,000 17 260 80,000 14,000 16 260 85,000 16,000 25 260 90,000 18,000 18 260 95,000 20,000 14 260 100,000 5. THIS AN INVESTIGATION LAST HOUR? □ Yes □ No (If yes, at what altitude?) 6. THIS AN INVESTIGATION LAST HOUR? □ Yes □ No (If yes, at what quadrant?) 7. CLOUD COVER: ___ tenths at ___ feet. ___ tenths at ___ feet. ___ tenths at ___ feet. ___ tenths at ___ feet. 8. VELOCITY TAS ___ miles. 9. COMMENTS: AFIC Test Form 333 (13 Aug 52)
Document, cited by the archive. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 15 pages are in the text index: search them above, or from the library's search.