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.
“Anderson”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
Incident #
1. Date 4 Aug 47
2. Time 1600
3. Location Boston, Mass
4. Name of observer Alpheas D. Powell, Capt of PA Airways, Inc. Walter I. White, Navigator
5. 1 Occupation of observer Grew of Pan Amer Constitution
6. Address of observer 28 Redwood Road, New Hyde Park, Long Island
7. Place of observation Approximately midway between Everett, Mass and Bedford Radio Beacon.
8. Number of objects
9. Distance of object from observer 1 mile away
10. Time in sight 30 seconds
11. Altitude 7.500 ft
12. Speed 175 MPH
13. Direction of flight easterly - approx $ 1 1 0^{\circ} $ magnetic
14. Tactics X/S
15. Sound I/s
16. Sizo 15 ft long. 25 2-3 feet in depth
17. Color deep gold
18. Shape elliptical
19. Odor detected I/S
20. Apparent construction I/S
21. Exhaust trails None
22. Woathor conditions 5/10 scattered cumulus with tops 1000 Visibility: 10 mi.
23. Effect on clouds I/S
24. Sketches or photographs None
25. Manner of disappearance Lost in clouds
26. Remarks: (over)
CONFIDENTIAL 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.