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.
Read from the scan by GLM-OCR; expect the odd misread word.
Radar Sighting of Unknown Aircraft Reported from AAF Goose Bay. Labrador Incident: 188 Sighting occurred at 0812Z 29 Oct 1948 when an unidentified object appeared on Ground Control Approach. Scope was approximately two miles from center of field on a bearing of 170°. Object traveled about two miles and disappeared. No report on altitude was determined. Estimated rate of speed was 25 to 30 MPH. GCA operator called in another operator to verify his findings. Object again appeared at 0819Z and remained in scope until 0825Z. At 0819 the object appeared on a bearing of 090° and moved slowly in a wide arc to 270° and again disappeared. Object again appeared at 0916Z east of the field on a heading of 270° about 2 miles distant from the field in perfect alignment with runway 27. It appeared to be the same as an aircraft making approach for landing. Size appeared to be the same as that of an aircraft at either extremely low or extremely high altitude. Object was very clear on GCA scope at all times. Plotting on base map indicates that object was in vicinity of Hamilton diver at the time of the first spotting. The second spotting placed it in the immediate vicinity of Lake Melville and Dock Area.
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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.