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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5 cases in PA from 1959 · page 1 of 1

Houstontown, PA
1959 · unidentified
On July 7, 1959, a sighting was reported in Houstontown, Pennsylvania. A metallic object about the size of a 45 RPM record was observed. The object moved 100 yards to the south dur…
Mansfield, PA
1959 · unidentified
On October 25, 1959, at 6:38 p.m., a witness near Mansfield, Pennsylvania observed a long white streak in the sky traveling from south-southwest to west. The streak lasted about te…
Norristown, PA
1959 · unidentified
On January 13, 1959, a civilian about 4 miles northeast of Norristown, Pennsylvania, reported a strange object in the sky. The sighting began about 4:55 p.m. local time (1655 EST)…
Philadelphia, PA
1959 · unidentified
On the evening of September 15, 1959, a civilian observer near Philadelphia reported seeing an unusual object in the night sky. The observer first spotted what he thought was a fal…
Worthington, PA
1959 · unidentified
On two dates, the middle of summer 1958 and March 15, 1959, a civilian near Worthington, Pennsylvania, reported seeing the same object. He wrote to the Air Force after reading a bo…

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

Houstontown, PA

Mansfield, PA

Norristown, PA

Philadelphia, PA

Worthington, PA