Documents / Official release
This Air Materiel Command file, released by the U.S. Department of War, holds Incident Summary Sheets 173 through 233, sent under a 1949 transmittal. Most of the sheets record sightings of unidentified aerial objects in 1948 and early 1949. They cover Santa Fe, New Mexico, San Pablo, California, Honolulu, Kentwood, Louisiana, and Jackson, Mississippi. Each sheet gives the observer's details and the object's size, speed and shape, and often an investigator's note on how reliable the witness seemed. The file ends with a blank guide for investigating reports, including radar 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”2 pages
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I. CIDENT SUMMARY SHEET (to be filled out and retained in files) 1. Date of Observation . . Approx.10 Nov 1948 2. Time of Observation . . 5100 A.M. . . 3. Where was Object(s) Sighted . Over Charles River Basin. Boston. 4. Observer's Position. ground (i.e. ground, air, control tower, etc.) 5. Name and Address of Observer. John D. Rearmain, 20. Louisburg Sq., Boston S., Mass 6. Occupation and/or Hobbies. H/S 7. Attention Attracted to Object (s) By. 3 fast flying single-engine planes. 8. Number of Object(s) Sighted. 3. 9. Size of Object(s). H/S 10. Color of Object(s). H/S 11. Shape (Sketch if Possible). single-engine plane 12. Nature of Luminosity. No lights were observed - city lights made them visible 13. Estimated Distance of Object from Observer. H/S 14. Speed of Object(s). "fast" 15. Time in Sight. H/S 16. Tactics. middle one seemed to weave back and forth 17. Sound Made by Object(s). no sound 18. Direction of Flight of Object(s). East to West 19. Apparent Construction (Of What Material or Substance). Like single-engine plane 20. Effect of Objects on Clouds and/or Exhaust Trail. H/S 21. Weather Conditions Existing at the Time. Starlight 22. peculiarities Noted. No sound, up, brayd, and the planes carried no lights. 23. Summary of Incident. (over). 23. Summary of Incident (over) (Attach a Separate Sheet if Additional Space is Needed)
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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. 144 pages are in the text index: search them above, or from the library's search.