Documents / Official release

Washington State ‘UFO’ Investigation, 1952-1960

Federal Bureau of Investigation · 1952 · 55 pages · text by GLM-OCR

This Federal Bureau of Investigation Seattle field office file (100-18945) gathers flying saucer material from 1952 to 1960. It holds newspaper clippings, citizen complaint forms and agent memoranda about sightings over Pasco, Kennewick, Seattle, Richland and the Hanford reservation, Spokane and other Washington locations. The file records 1952 agreements with military intelligence on passing reports to OSI and the Air Force. One Hanford sighting from 1953 was attributed to a meteorological balloon. The FBI itself carried out no investigations.

From the source:Release of 2026-06-12 Incident: July 1952-1960, Washington State, United States. This file details an investigation of various sightings of Unidentified Flying Objects (UFOs) in Washington state between July 1952 and August 1960. This file includes memoranda and correspondence between the Federal Bureau of Investigation and the U.S. Air Force regarding UFO sightings.

  • p. 2 …I never have seen the like of it before." SERIALIZED FILED JUL 30 1952 FBI - SEATTLE…
  • p. 3 …Basin News Pasco, Washington 100-19550 SEARCHED INDEXED SERIALIZED FILED JUL 3 1 1952 FBI • SEATTLE
  • p. 4 …47-2061 共83 SEARCHED INDEXED SERIALIZED FILED AUG 14 1952 FBI - SEATTLE
  • p. 10 …100-18945-44 SEARCHED INDEXED SERIALIZED FILED FEB 27 1953 FBI - SEATTLE
  • p. 14 …WHERE SHOWN OTHERWISE 45 100-18945-43 SEARCHED INDEXED SERIALIZED FILED G·4 1953 FBI·SEATTLE
  • p. 16 …Flying Saucer file SEARCHED INDEXED SERIALIZED FILED AUG 4 1953 FBI·SEATTLE
  • p. 26 …180-18945-54 SEARCHED INDEXED SERIALIZED FILED: JUN 18 1954 FBI
  • p. 27 …SERIALIZED FILED...
  • p. 29 …WHERE SHOWN OTHERWISE 100-18945.56a x SEARCHED INDEXED SERIALIZED FILED JUN 9 1954 FBI - SEATTLE
  • p. 30 …Letter on this 18945-57 100-18495 SEARCHED INDEXED SERIALIZED FILED JUN 28 1954 FBI - SEATTLE…
  • p. 31 …18945 CONFIDENTIAL 10018945-5808 SEARCHED INDEXED SERIALIZED FILED JUN 25 1954 FBI - SEATTLE
  • p. 34 …SEARCHED INDEXED SERIALIZED FILED JUN 21 1954 FBI - SEATTLE
  • p. 35 …the above for our information. SEARCHED... INDEXED. SERIALIZED... FILED... JUN 21 1954 FBI - SEATTLE Special Agent
  • p. 42 …EXCEPT WHERE SHOWN OTHERWISE 100-18945-65 SEARCHED INDEXED SERIALIZED FILED OCT. 1 1956 FBI·SEATTLE
  • p. 55 …SERIALIZED...FILED AUG 19 1960 FBI - SEATTLE

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# United States Department of Justice Federal Bureau of Investigation

IN REPLY, PLEASE REFER TO FILE No. ___

COMPLAINT FORM

Subject's Name and Aliases
Address of Subject
Character of Case
DESCRIPTION OF SUBJECT:

Name of Complainant
Address of Complainant
Telephone Number of Complainant
Date and Time Complaint Received

FACTS OF COMPLAINT: City of M. Murray. This aircraft, according to the pilot has no surviving lights. Pilot believes it be a helicopter based on the fact that when the aircraft reaches the highway area it throttle down the sound of the engine is constant rather than advancing retracting. The pilot believes this situation is suspicious based on his own knowledge of flying. The pilot states aircraft remains 10-20 min per visit then departs . . . Flower (complaint) furnished the above for our information.

SEARCHED... INDEXED.

SERIALIZED... FILED...

JUN 21 1954

FBI - SEATTLE

Special Agent

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About this file

Official release, from the pursue collection. 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. 55 pages are in the text index: search them above, or from the library's search.