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.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 1. Date 6 Aug 47 2. Time Around 2245 3. Location Philadelphia, Pa 4. Name of observer John Snyder 5. Occupation of observer Insurance agent (former B-24 pilot) 6. Address of observer 1440 Vankir St., Philadelphia, Pa. 7. Place of observation above address 8. Number of objoots 1 9. Distance of object from observer E/S 10. Timo in sight /s 11. Altitude 1.000 - 3000 ft 12. Speed between 400-500 MPH 13. Direction of flight from NE to SW 14. Tactics /s 15. Sound hissing 16. Size I/S 17. Color M/S 18. Shapo I/S Odor dotocted E/S Apparent construction N/S Exhaust trails Smoke or condensation - also emitted bluish white flame Weather conditions Clear Effect on clouds X/S Sketches or photographs None Manner of disappearance I/S 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.