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.
“University of Colorado”1 page
Read from the scan by GLM-OCR; expect the odd misread word.
When first sighted around 1925 Eastern Standard Time, the object appeared to hover in one position for quite some time, moving very little. It disappeared once for about a minute (presumably entering overcoast). After emerging below the overcast it circled one place for the duration of three 360° turns, then moved to another position and circled some more. Turns required approximately 30 to 40 seconds each - diameter estimated about 2 miles. In moving from one place to another a tail (approximately the same color - amber - as the object, appeared) which seemed to be about 5 times the length of the object. The shape of the object was either round or oval and appeared about the size of a C-47 plane. Just before disappearing it came very near the ground, stayed about 10", then climbed back to its original position at a very fast rate of speed, leveled off, and disappeared into the overcast (10,000 ft) heading 120". Its speed was greater than 500 MPH in level flight. Visible for some 20 minutes. No noise or sound could be heard. The color of the object itself was an amber light but the intensity was not sufficient to obscure the outline of the configuration which was approximately round. During the up and down movement no maneuvering took place. Motions like that of an elevator - climbing and descending vertically. The exhaust trail was noticeable only during forward speed. At one time the object appeared to touch the ground. NOTE: Appeared approximately 3 to 5 miles away from Lockbourne in immediate vicinity of Commercial Point (Reports from Clinton Cy Airport, Godman Fld & from pilot of plane in vicinity of Columbus indicate the distance to be much greater) NOTE ON RELIABILITY: See incidents 30, 30b and 30c - corroborating accounts.
Report, 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. 253 pages are in the text index: search them above, or from the library's search.