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.
“Hamilton”5 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 evening
3. Location NW of Bethel Alaska
4. Name of observer Capt Jack Peck and Co-pilot Vince Daly
5. Occupation of observer Pilot and Co-pilot - Al Jones Flying Svc.
6. Address of observer N/S
7. Place of observation $ 6 0^{\circ} 5 7^{\prime} $ N 161 $ ^{\circ} 4 8^{\prime} $ W
8. Number of objects 1
9. Distance of object from observer 1200 ft
10. Time in sight 4 minutes
11. Altitude 500 to 1,000 ft
12. Speed 520 MPH-3 times that of C-54
13. Direction of flight NW
14. Tactics N/S
15. Sound N/S
16. Sizo As large or larger than C-54
17. Color black in color
18. Shapo saucer - like that of C-54 (from rear) but without motors or flying wings
19. Odor detected N/S
20. Apparent construction N/S
21. Exhaust trails N/S
22. Woathor conditions brilliant evening sky
23. Effect on clouds N/S
24. Sketches or photographs None
25. Manner of disappearance flew rapidly out of sight
26. Remarks: (over) 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.