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.
“Gray”5 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 12 1. Date 8 Sept 47 2. Time 230 P. M. 3. Location Logan, Utah 1. Name of observer Mr and Mrs. Richard Anderson 5. Occupation of observer N/S 6. Address of observer Logan, Utah 7. Place of observation Logan, Utah 40° 45' N 111° 54' W 8. Number of objects Approx a dozen 9. Distance of object from observer N/S 10. Tino in sight one to 2 minutes 11. Altitude 2,000 to 3,000 ft 12. Spood "faster then birds" 13. Direction of flight north 15. Tactics circle city in approx one to two minutes observing group formation 15. Sound R/S 16. Size about the size of pigeons 17. Color white and illuminated 18. Shape I/3 19. Oder dotootod X/S 20. Apparent construction I/S 21. Exhaust trails 22. Weather conditions cloudy 23. Effect on clouds I/3 24. Sketches or photographs None 25. Warner of disappearance in flight to the north 26. Romarks; (over)
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.