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.
## CONFIDENTIAL
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
Incident #
1. Date 12 Sept 47
2. Time 45 minutes after sunset
3. Location Midway Island to Oahu - beyond Necker Island
4. Name of observer Capt Stanley S. Griffin &
2d Officer Edward B. Polhemus
5. Occupation of observer Pilot and 2d officer, PAA
6. Address of observer N/S
7. Place of observation Beyond Necker Island (23° 34' N 164° 42' W)
8. Number of objects 1
9. Distance of object from observer 1 mile
10. Time in sight. Six seconds
11. Altitude 9,500 to 10,000 ft
12. Speed 1160 MPH (1000 knots)
13. Direction of flight $ 3 5 0^{\circ} $ then $ 1 0 9^{\circ} $
14. Tactics Abruptly changed course but observed horizontal flight
15. Sound N/S
16. Size N/S
17. Color N/S (See below - exhaust)
18. Shape N/S
19. Odor detected N/S
20. Apparent construction N/S
21. Exhaust trails N/S - light the color of an incandescent light without appreciable blue & no reddish tinge
Woathor conditions dark - 45 minutes after sunset
Effoct on clouds No effect on clouds
Sketches or photographs None
25. Manner of disappearance Appeared to burn out 30 miles ahead of PA plane
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.