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.
“Hull”1 page
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 7 Jul 48
Time 2114 and 2115
Incidont # 137a
Location Chapel Hill, N. C.
Name of observer H. W. Daniels
Occupation of observer Capt., Infantry, Reserve
Address of observer Box 188, Chapel Hill
Place of observation Chapel Hill, N. C.
Number of objects three (3)
9. Distance of object from observer N/S
10. Time in sight Approximately one (1) minute
11. Altitude Extreme
Speed High
13. Diroction of flight East Northeast
14. Tactics N/S
15. Sound Jet
16. Size N/S
17. Color N/S
18. Shapo N/S
19. Odor detected N/S
20. Apparent construction $ \mathrm{N} / \mathrm{S} $
21. Exhaust trails Not Visible
22. Weather conditions Clear
Effoct on clouds N/S
Skotches or photographs None
25. Manner of disappearance N/S
26. Romarks: 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.