Unidentified Flying Objects: Project "Grudge" (Technical Report No. 102-AC 49/15-100)

US Air Force, Air Materiel Command · 1949-08 · 413 pages · text by OCR, confidence 98%

No summary written yet.

Open the PDF at page 409 Original source ↗

Incident No. 186 -- 16 Oct. 1948, 1145 Hours, eight miles east of Sterling, Utah. One observer on mountain at 9000 ft heard a throbbing noise, then saw one object 9 inches long, three inches thick, and six inches wide traveling horizontally at 300 MPH, 500 ft overhead. It was black with a wide silver stripe on underside center. Investigator states observer's ability to estimate distances is poor. In sight approximately four seconds. AMC Opinion: Information indicates no explanation.

Cases discussed

The Ghost Rockets (Spökraketer), Scandinavia, 1946 1946
summer of 1946... mysterious aerial objects in Sweden, the "ghost rockets"
The Kenneth Arnold Sighting 1947
report of Kenneth Arnold of Boise, Idaho... Incident Number 17
The 1947 Flying Disc Craze: America's First Flying Saucer Wave 1947
Within the month following Arnold's report, the number of incidents reached a peak
The Green Fireballs over New Mexico 1948
"green fireballs" reported in the general vicinity of Albuquerque, New Mexico
The Fukuoka F-61 Black Widow Radar-Visual Intercept 1948
Incident No. 183... Fukuoka Area, Japan. Airborne radar observer in F-61

About this file

Report, from the classic collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model (mean confidence 98%); expect the odd misread word. 413 pages are in the text index: search them above, or from the library's search.