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Location

Portland, Oregon

4 declassified cases mention this, always in the body of the document rather than as an official record field. Documented incidents span 1947 to 1948.

2 agencies are involved: Department of War and FBI. The case files here include documents. None of the cases carry visible redactions.

Cases

File IDDateAgencyTypePages readOfficialExcerpt
DOW-UAP-D0971948Department of WarDocument9/45MentionedThis file contains an initial report from the Air Materiel Command regarding Project Sign. Project Sign was a 1948-1949 U.S. Air Force program to investigate the nature and origin of unidentified flying objects (UFO). The report details 100…
DOW-UAP-D1001947-1948Department of WarDocument239/245MentionedA 245-page dossier of Air Materiel Command / Directorate of Intelligence correspondence on the Air Force's 1947-1948 "flying disc" investigation (later Project SIGN); 239 pages are legible, with 6 blank or redacted and one further page cut…
38-143685-box7-incident-summaries-1-100N/ADepartment of WarDocument186/209MentionedEarliest set of Box 7 "Check-List — Unidentified Flying Objects" case files (Authority NND 917033), dated from July 1947 through late 1947/1948, the classic early wave of U.S. "flying disc" reports following the Kenneth Arnold sighting. Mos…
65-hs1-834228961-62-hq-83894-section-004N/AFBIDocument214/214MentionedSection 4 of the FBI Headquarters "Flying Saucers" file (62-HQ-83894), covering serials 131-185, roughly September 1947 through October 1948. Contains the Portland, Oregon police sighting of 11 September 1947: multiple officers (Robert Adai…

Related entities

Entities that appear together with this one in the same declassified cases.