Documents / Official release
This U.S. Department of War file collects Project Sign era checklists and incident summary sheets for incidents 101 to 172. The largest item is the 18 February 1948 explosion over Norcatur, Kansas. For it the file gathers witness statements, speculative letters from Norman G. Markham, and Dr. Lincoln LaPaz's view that it was a genuine meteorite fall with curious aspects. Other entries cover B-29 crews, a two-decked wingless object over the Netherlands, a Turkish rocket report, a Moscow sighting, and George Gorman's 1 October 1948 Fargo encounter.
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.
“Hill”8 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 24 July 48
Incident # 144a
2. Time 0230
3. Location Near Blackstone, Va. enroute to Raleigh-Durham
4. Name of observer Louis Feldwary
5. Occupation of observer pilot
6. Address of observer LGA
9. Distance of object from observer n/s
7. Place of observation Air - near Blackstone, Va.
8. Number of objects Only trail seen
10. Time in sight N/S
11. Altitude N/S
12. Speed terrific speed -
13. Direction of flight $ 2 3 0^{\circ} $
14. Tactics Trail covered an $ 8 0^{\circ} $ to $ 9 0^{\circ} $ arc laterally
15. Sound N/S
16. Size N/S
17. Color N/S
Only trail perceived - object was not seen
18. Shape N/S
19. Odor detected N/S
20. Apparent construction N/S
21. Exhaust trails Seemed to be a jet or rocket trail
22. Woathor conditions at 0230 at Blackstone: 0/70 @ 4GF 112/73/72/ www 5/987. Greensboro and Raleigh-Durah had @/15 plus
Saint Paul
24. Sketches or photographs None
25. Manner of disappearance N/S
26. Remarks: (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. 178 pages are in the text index: search them above, or from the library's search.