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.
78 cases in PA · page 1 of 2
Reynoldsville, PA
1963 · unknownOn June 22, 1963, in Reynoldsville, Pennsylvania, a civilian witness reported seeing a bright egg-shaped light that was white in color. The witness observed the object in the west,…
Rydall, PA
1963 · unknownOn the evening of February 13, 1963, in Rydall, Pennsylvania, a boy and his mother saw a reddish object in the western sky just above the horizon. At first, the boy thought he was…
Philadelphia, PA
1962 · unknownOn May 23, 1962, a man in Philadelphia reported seeing an unusual object in the sky. He watched it move several times over a period of about forty-five minutes, observing it throug…
Philadelphia, PA
1962 · unknown# Philadelphia UFO Sighting, October 1962 On the evening of October 18, 1962, a resident of Philadelphia, Pennsylvania saw a white object in the southeastern sky that disappeared…
Philadelphia, PA
1962 · unknownOn April 27, 1962, at approximately 8:20 p.m. E.S.T., a flying object was sighted in Philadelphia, Pennsylvania. The object was roughly shaped like a Mercury Capsule with a sphere…
Reynoldsville, PA
1962 · unknown# Reynoldsville, Pennsylvania, August 1962 In August 1962, an observer in Reynoldsville, Pennsylvania reported seeing three bright objects in the sky over the course of two hours…
Kane, PA
1961 · unknownOn July 23, 1961, a civilian reported an object near Kane, Pennsylvania. The sighting lasted about 15 minutes. The object appeared on the northwest horizon and disappeared on the s…
Philadelphia, PA
1961 · unknownOn the evening of October 18, 1961, around 6:50 p.m., a witness and a companion spotted an unusual object in the sky over Philadelphia, Pennsylvania, near the intersection of City…
SW of Carlisle, PA
1961 · unknownOn August 5, 1961, southwest of Carlisle, Pennsylvania, a white object was reported at 2158 (9:58 p.m.) at dusk. The object looked like a star except that it moved. It was first se…
Coudersport, PA
1960 · unknownOn a June evening in 1960, a resident of Coudersport, Pennsylvania saw two unusual objects in the sky. The objects approached each other, joined up, changed direction, and then dis…
Herman, PA
1960 · unknownOn December 5, 1960, at 6:05 p.m. in Herman, Pennsylvania, two witnesses observed a circular object with a pulsating red light on one side and an oblong fluorescent glow on the oth…
Marietta & Duncannon, PA
1960 · unknownOn December 14, 1960, civilians at Marietta and Duncannon, Pennsylvania, reported an object at 0550 (5:50 a.m.) local. They described a round object the size of a softball. One wit…
Penns Park, PA
1960 · unknownOn May 28, 1960, a witness near Penns Park, Pennsylvania, saw an orange light in the sky. The area is about 20 miles northwest of a nearby city. The card lists one object. The obj…
Scranton, PA
1960 · unknownOn the evening of September 5, 1960, a resident of Scranton, Pennsylvania, wrote to the U.S. Air Force to report seeing an unusual object in the sky. The witness described a light…
Trout Run, PA
1960 · unknownOn the night of May 2, 1960, a resident of Trout Run, Pennsylvania observed unusual lights in the western sky from his motel room window. The first light he noticed was flickering…
Houstontown, PA
1959 · unidentifiedOn 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 · unidentifiedOn 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 · unidentifiedOn 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 · unidentifiedOn 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 · unidentifiedOn 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…
Beaver Falls, PA
1958 · unidentifiedOn July 8, 1958, at 12:32 p.m., a civilian in Beaver Falls, Pennsylvania reported seeing one small, round, yellowish-green object moving slowly to the southwest. The observation la…
Erie, PA
1958 · unidentifiedOn August 11, 1958, near Erie, Pennsylvania, a civilian witness observed a red and white object about the size of a twelve-inch dinner plate for fifteen minutes during twilight hou…
Philadelphia, PA
1958 · unidentifiedOn July 2, 1958, just after midnight, in Philadelphia, Pennsylvania, a civilian reported a single object in the night sky. The sighting lasted about 6 to 8 seconds. The object look…
Benton, PA
1957 · unknownOn June 11, 1957, at 10:53 a.m., two airmen at Benton Air Force Station in Pennsylvania witnessed a round object about the size of a small truck. The object was greenish yellow and…
Clinton, PA
1957 · unknownOn November 1957, a civilian near Clinton, Pennsylvania reported one round yellowish-grey object the size of a basketball. The sighting lasted about one minute. The object moved fr…
Erie, PA
1957 · unknownOn March 4, 1957, civilian and military witnesses at Erie, Pennsylvania, reported a single object. The case was logged under Project 10073, the Air Force's official record for unid…
Fogelsville, PA
1957 · unknownOn August 1, 1957, in Fogelsville, Pennsylvania, a man and woman driving in a car spotted a flying saucer near the town. They reported seeing a large light colored silver blue. The…
Kingston, PA
1957 · unknownOn August 22, 1957, around dusk at 2330 (Greenwich time) in Kingston, Pennsylvania, civilian witnesses in one family saw two circular objects. The first was about twice the size of…
Liberty, PA
1957 · unknownOn January 19, 1957, a civilian near Liberty, Pennsylvania, reported a single object. The sighting was logged under Project 10073, the Air Force's official record for unidentified…
McKeesport, PA
1957 · unknownOn the evening of June 26, 1957, a woman in McKeesport, Pennsylvania, was sitting on her back porch when she glanced up and saw three round, white objects in the sky. She described…
Philadelphia, PA
1957 · unknownOn the night of August 22, 1957, two very bright objects appeared in the sky over Philadelphia, Pennsylvania. The sighting lasted only a few seconds. The objects were close togethe…
Aliquippa, PA
1956 · unidentifiedOn May 3, 1956, at 2:48 a.m. in Aliquippa, Pennsylvania, civilian and Air Force witnesses reported a sighting of seven silver objects in a V formation moving south at an estimated…
Colonnial Hill, PA
1956 · unidentifiedOn August 13, 1956, at dusk near Colonial Hill, Pennsylvania, a civilian observer reported five black objects flying together about the size of birds. The objects moved west, then…
Dallas, PA
1956 · unidentifiedOn September 30, 1956, in Dallas, Pennsylvania, a witness observed an unusual yellow object in the night sky. The object appeared snowflake-shaped and about the size of a basketbal…
Donora, PA
1956 · unidentifiedOn August 19, 1956, a civilian in Donora, Pennsylvania, reported a single object. The sighting was recorded at 0340Z (night) and lasted about one hour and thirty-five minutes, exce…
Ellwood, PA
1956 · unidentifiedOn September 21, 1956, a civilian in Ellwood, Pennsylvania reported seeing a cube-shaped object about three feet square at an estimated 3,000 feet altitude. The object moved up and…
Juniata, PA
1956 · unidentifiedOn August 28, 1956, a civilian in Juniata, Pennsylvania, reported a single object. The sighting was recorded at 0255Z and lasted about three minutes. The witness described one cir…
McKeesport, PA
1956 · unidentifiedOn November 2, 1956, civilians saw three objects over McKeesport, Pennsylvania. The main witness worked at a steel company. About 25 people watched the objects for roughly four min…
Philadelphia, PA
1956 · unidentifiedOn the evening of March 29, 1956, a bright white object with a faint orange tint appeared in the sky over Philadelphia, Pennsylvania during the twilight hours. The witness observed…
Pittsburgh, PA
1956 · unidentifiedOn August 18, 1956, a military witness in Pittsburgh, Pennsylvania, reported a single object. The sighting was recorded at 0208Z and lasted about one hour and forty-five minutes.…
Pottsville, PA
1956 · unidentifiedOn October 13, 1956, a civilian near Pottsville, Pennsylvania reported one pear-shaped, silver object about the size of a pea held at arm's length. The object appeared stationary w…
30 Miles East Of Pittsburg, PA
1955 · unknownOn September 25, 1955, at about 0020Z, a civilian saw three objects about 30 miles east of Pittsburgh, Pennsylvania. The sighting lasted about ten minutes. The witness described t…
Bryn Mawr, PA
1955 · unknownOn April 27, 1955, a civilian observer in the Bryn Mawr and Philadelphia, Pennsylvania area reported a bright light. The man was on duty with the Ground Observer Corps, watching th…
Clearfield, PA
1955 · unknownOn May 26, 1955, near Clearfield, Pennsylvania, a civilian observer reported seeing an object with no specific shape that changed color from white to red and back. The object appea…
Harrisburg, PA
1955 · unknownOn June 1, 1955, a civilian Ground Observer Corps member in Harrisburg, Pennsylvania saw a single object. It was a round sphere, silver in color, about the size of a basketball. It…
Jersey Shore, PA
1955 · unknownOn April 22, 1955, someone in Jersey Shore, Pennsylvania, saw a white, round object with sharp edges standing still in the sky for about a minute. Then it rose slowly. The sighting…
Leonape, PA
1955 · unknownOn September 23, 1955, at around 12:30 p.m., a housewife in Leonape, Pennsylvania, heard a sputtering sound like a light airplane engine and stepped outside to look. Instead of see…
Malvern, PA
1955 · unknownOn May 20, 1955, a civilian in Malvern, Pennsylvania saw a single object. It was an intermittent bright light. The light traveled from the south toward the north-northwest. The sig…
McDonald, PA
1955 · unknownOn August 4, 1955, near 8:15 p.m. local time, a civilian ground observer in McDonald, Pennsylvania reported one saucer-shaped object. The Air Force recorded the report under Projec…
Near Harrisburgh, PA
1955 · unknownOn August 23, 1955, near Harrisburg, Pennsylvania, a civilian who was watching the stars saw small objects in the sky. The observer was about five miles north of Rockville Bridge.…
Newport, PA
1955 · unknownOn July 21, 1955, in Newport, Pennsylvania, a civilian reported a shapeless, yellow and white object. The Air Force recorded the report under Project 10073, its official record for…
Oxford, PA
1955 · unknownOn the morning of October 3, 1955, a school bus driver and civilian pilot near Oxford, Pennsylvania saw an unusual object in the sky. The man, standing beside his car on the northe…
Parksburg, PA
1955 · unknownA Ground Observer Corps spotter near Parksburg, Pennsylvania watched the night sky on March 3, 1955, and reported seeing many red objects that expanded to between 6 and 8 feet wide…
Penbrook, PA
1955 · unknownOn July 12, 1955, at Penbrook, Pennsylvania, a civilian reported one object. The sighting was seen from the ground and lasted about three minutes. The object was saucer-shaped and…
Penbrook, PA
1955 · unknownMrs. Anne Chamberlin, a 42-year-old Ground Observer Corps volunteer in Penbrook, Pennsylvania, reported seeing unidentified flying objects on two separate occasions in July 1955. O…
Philadelphia, PA
1955 · unknownOn July 12, 1955, at Philadelphia, Pennsylvania, civilian witnesses reported five objects over a period of about twenty minutes, each visible from five to fifteen seconds. The sigh…
Pittsburgh, PA
1955 · unknownOn July 23, 1955, in Pittsburgh, Pennsylvania, a civilian ground observer reported one round, light-colored object. The Air Force recorded the report under Project 10073, its offic…
Elizabethtown, PA
1954 · unidentified# Summary On the evening of April 22, 1954, a civilian employee at Olmsted Air Force Base in Pennsylvania witnessed an unusual object in the sky near Elizabethtown. At around 9:47…
Northeast, PA
1954 · unidentifiedOn the nights of December 4 and 5, 1954, a woman in Northeast, Pennsylvania reported seeing a strange object hovering near Lake Erie. She described it as bright orange, shaped like…
OLMSTED AFB, PA
1954 · unidentifiedOn October 9, 1954, an observer at Olmsted Air Force Base in Pennsylvania watched a white, transparent object move across the sky for about 30 minutes. The object appeared to have…
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