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Project Blue Book Mariana UFO Incident PDF

NARA via The Black Vault · 114 pages · text by GLM-OCR

This Project Blue Book file, released through The Black Vault, collects US Air Force records from 1950 to 1959 on the movie film Nicholas Mariana shot at Great Falls, Montana on 15 August 1950. It includes the OSI interview report, letters about borrowing and copying the film, and a 1956 Douglas Aircraft analysis. Blue Book's own findings were not consistent: one letter lists the cause as unknown, while later memos conclude the objects were probably two F-94 jets.

Read from the scan by GLM-OCR; expect the odd misread word.

WINDS ALOFT REPORT (Cont'd) at 0000, surface winds, 290 degrees, 15 miles per hour,

1,000 feet	270 degrees	19 miles per hour
5,000 feet	240 degrees	25 miles per hour
6,000 feet	250 degrees	22 miles per hour
7,000 feet	270 degrees	22 miles per hour
8,000 feet	270 degrees	31 miles per hour
9,000 feet	260 degrees	43 miles per hour
10,000 feet	260 degrees	45 miles per hour
12,000 feet	260 degrees	42 miles per hour
14,000 feet	260 degrees	34 miles per hour
16,000 feet	270 degrees	34 miles per hour
18,000 feet	270 degrees	33 miles per hour
20,000 feet	270 degrees	36 miles per hour
25,000 feet	260 degrees	26 miles per hour

at 1400 hours, same date, winds aloft readings were:

surface winds,230 degrees,24 miles per hour
1000 feet,240 degrees,25 miles per hour
5000 feet,250 degrees,36 miles per hour
6000 feet,250 degrees,41 miles per hour
7000 feet,250 degrees,40 miles per hour
8000 feet,250 degrees,35 miles per hour
9000 feet,260 degrees,25 miles per hour
10,000 feet,260 degrees,24 miles per hour
12,000 feet,260 degrees,30 miles per hour
14,000 feet,260 degrees,55 miles per hour
16,000 feet,250 degrees,54 miles per hour
18,000 feet,260 degrees,36 miles per hour
20,000 feet,260 degrees,34 miles per hour
25,000 feet,260 degrees,39 miles per hour

There were no testing devices nor Raysonde devices sent aloft between the hours of 0800 and 1400 hours, 15 August 1950. Raysonde instruments were sent aloft at 0800 and 1400 hours, 15 August 1950 by the U. 3. Weather Bureau, Gore Field, Great Falls, Montana. Mr. Juern further stated that there were no celestial phenomena listed in the U. 3. Weather Bureau report for the twenty-four hour period 0800 hours, 15 August 1950, to 0800 hours, 16 August 1950.

DOWNGRADED AT 3 YEAR INTERVALS: DECLASSIFIED AFTER 12 YEARS. DOD DIR 5200.10

Cases discussed

About this file

Document, cited by the archive. 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. 114 pages are in the text index: search them above, or from the library's search.