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 6 Aug 47 2. Time 2230-2245 3. Location Philadelphia, Pa. 4. Name of observer Eleanor Maddle 5. Occupation of observer employed by Geo A. Greenwald Mfg Co. 6. Address of observer 2114 Hobart St., Philadelphia, Pa. 7. Place of observation At observer's home 8. Number of objects 1 9. Distance of object from observer I/S 10. Timo in sight I/S 11. Altitude I/S 12. Speed Very fast 13. Direction of flight South 14. Tactics N/S - apparently straight flight 15. Sound slight buzzing after passage of object 16. Size large 17. Color white 18. Shape /s 19. Odor detected I/S 20. Apparent construction E/S 21. Exhaust trails Thin streak of grayish smoke Weather conditions I/S 23. Effect on clouds I/s 24. Sketches or photographs none 25. Manner 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.