Documents / Report
This U.S. Air Force compilation, released by the U.S. Department of War, holds numbered checklists and survey sheets for flying object incidents 1 through 100. It covers sightings by officers, test pilots and civilians at Muroc Army Air Field on 7 and 8 July 1947, and sightings by Portland, Oregon police on 4 July 1947. It also includes fireballs seen over California, Nevada and Oregon on 30 December 1947, a Houston fireball, and Finnish reports from January 1948.
From the source:Release of 2026-06-12 Incident: United States. 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.
“Hamilton”5 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 4 July 1947 2. Time 1700 3. Location Portland, Oregon 1. Name of observer Thomas W. Dyer 5. Occupation of observer B/S 6. Address of observer 1232 H. E. 59th Ave 7. Place of observation Portland, Oregon 9. Number of objects 3 9. Distance of object from observer I/S 10. Timo in sight I/S 11. altitude high 12. Spcod B/S 13. Direction of flight 1 - southeast; 2- northeast 11. Tactics X/S 15. Sound B/S 16. Size I/8 17. Color silver 18. Shape N/S 19. Odor dotectod N/S 20. Apparent construction I/8 21. Exhaust trails N/S 22. Weather conditions I/S 23. Effect on clouds N/S 21. Skotohos or photographs I/8 25. Nanner of disappearance B/8 26. Remarks: One object was he ding southeast and two others were going northeast.
Report, 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. 253 pages are in the text index: search them above, or from the library's search.