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.
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 1. Date 4 July 47 2. Time Evening 3. Location Lake City, Seattle Wash 4. Name of observer Frank Ryman 5. Occupation of observer Coast Guardman 6. Address of observer Lake City, Seattle, Wash. 7. Place of observation Ground - Lake City 8. Number of objects 1 9. Distance of object from observer N/S 10. Time in sight 10 minutes 11. Altitude N/S 12. Speed I/s 13. Direction of flight over north end of Lake Washington 14. Tactics Horizontal flight 15. Sound I/S 16. Size N/S 17. Color "white" 18. Shapo saucer or ball shaped 19. Odor detected N/S 20. Apparent construction I/S 21. Exhaust trails I/S 22. Weather conditions N/S 23. Effect on clouds I/S 24. Sketches or photographs 1 news photographz 25. Manner of disappearance E/S 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.