USAF · 1947 to 1969

Project Blue Book Case Files

The U.S. Air Force's 22-year investigation into reported UFO incidents, drawn from the National Archives. Each case below has a journalistic summary written from the original file. Use the search box to find a place or date, or filter by state and year.

StateOH 371 CA 274 TX 242 NY 167 FL 110 NM 92 MI 90 WA 89 IL 81 PA 78 MD 73 CO 72

Year1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969

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124 cases from 1951 · page 3 of 3

Location unrecorded
1951 · unknown
On February 19, 1951, the crew and passengers of an East African Airways Lodestar spotted an unusual object over Mount Kilimanjaro while flying from Nairobi to Dar es Salaam. Aroun…
Location unrecorded
1951 · unknown
On March 8, 1951, in the Far East near 45 degrees north and 140 degrees east, a military radar station reported a track. The contact was followed for about 9 minutes and showed som…
Location unrecorded
1951 · unknown
On February 10, 1951, a crew of five Navy pilots spotted something unusual over the Atlantic Ocean east of Newfoundland. The men were flying a transport plane (a Navy C-54, registr…
Location unrecorded
1951 · unknown
This document is not a sighting report. The Project 10073 record card for this item, dated at Indianapolis, Indiana, states plainly that it is not a UFO report. It notes that the f…

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Browse sightings by state

Browse sightings by year

1947 51 1948 90 1949 236 1950 167 1951 124 1952 471 1953 326 1954 350 1955 344 1956 417 1957 559 1958 359 1959 268 1960 340 1961 408 1962 346 1963 123

Location unrecorded

Location unrecorded

Location unrecorded

Location unrecorded