Documents / Official release
This U.S. Department of War file, undated, holds checklist summaries of incidents 1 to 100 of unidentified flying objects reported in 1947 and early 1948. The first entries cover sightings of silver discs and spheres by officers and staff at Muroc Army Air Field on 7 and 8 July 1947. Next come the Portland, Oregon police reports of 4 July, a United Air Lines crew near Emmett, Idaho, and a set of 30 December flame and explosion reports from California and Nevada. The file ends with two Finnish sightings.
From the source:Release of 2026-05-08 Incident: N/A, N/A. NARA Record Group 38, catalogue id 143685. Each of these incident summaries includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
“Gray”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
CONFIDENTIAL RESTRICTED
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 14 Aug 47
Incident # 67
2. Time 1600 hours
3. Location 5 miles southwest of Placerville, Calif.
4. Name of observer Mr Ray A. Switzer and wife
5. Occupation of observer Switzer is an Insurance Executive with the firm of McGuire & Wallis and a graduate of the Univ of Calif.
6. Address of observer Box 43, Aukum, Eldorado County, Calif.
7. Place of observation Between 4 and 5 miles southwest from Placerville on Cedar Ravine Road. $ 3 8^{\circ} $ $ 4 2^{\prime} $ $ 4 5^{\prime \prime} $ N. Lat x $ 1 2 0^{\circ} $ $ 4 7^{\prime} $ $ 1 5^{\prime \prime} $ W. Long. 8. Number of objects 1
9. Distance of object from observer Estimated distance seemed about 750 ft
10. Timo in sight short period
11. Altitude 500 to 1,000 ft
12. Speed high rate of speed
13. Diroction of flight north to south
14. Tactics in a very shallow dive
15. Sound N/S
16. Size Seemed to be about 5 feet long by some 12 to 14 inches in depth
17. Color polished chromium
18. Shape Seemed rectangular except for a short period when it appeared to have a slightly curved top surface. Seemed tilted in semi-circle. More rocket-shaped than disc-shaped 19. Coror detected N/S
20. Apparent construction metallic
21. Exhaust trails N/S - a white smoke trail was first observed - later object was enveloped in puff of dark gray smoke
22. Weather conditions fair with sunshine
23. Effoct on clouds N/S
Sketches or photographs None
Manner of disappearance disappeared in puff of dark gray smoke
Romarks: (over)
DECTRIATES
ESTRIOTES Official release, from the pursue collection. 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. 209 pages are in the text index: search them above, or from the library's search.