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.
“Nevers”5 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 4 July 1947 2. Time 1305 Incident # 12 3. Location Vancouver, Washington 4. Name of observer John Sullivan 5. Occupation of observer Sheriff's Deputy 6. Address of observer Vancouver, Washington 7. Place of observation Vancouver, Washington, "ground" 8. Number of objects 20 to 30 9. Distance of object from observer 3 to 5 miles away over Portland 10. Time in sight N/S 11. Altitude N/S 12. Speed N/S 13. Diroction of flight N/S 14. Tactics N/S 15. Sound low humming sound 16. Size N/S 17. Color N/S 18. Shape "V" shaped - like flock of geese 19. Odor dotoctod N.S 20. Apparent construction N/A 21. Exhaust trails N/S 22. Woathor conditions N/S 23. Effect on clouds N/S 24. Skotches or photographs None 25. Mannor of disappearance N/S 26. Romarks: (over)
Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 209 pages are in the text index: search them above, or from the library's search.