USAF Commands File 319.1: Flying Discs Incident Reports and FSR 200-4 Compliance (1949)
Date
January 9, 1950 (latest document); 1949 (incidents); May 8, 2026 (release)
Document Type
Gov. Report
Authentication
Official PublicationIssuing Authority
U.S. Air Force Commands, Activities, and Organizations (NARA RG 342)
Summary
USAF Commands file 319.1 containing incident reports on Unidentified Flying Objects (UFOs) written in compliance with the 1948 Flight Service Regulation (FSR) 200-4, the Air Force's formal UAP reporting requirement. Incidents were witnessed by military sources and Civilian Aviation Authority (CAA) personnel. Reports include dates, locations, weather, altitude, and detailed descriptions of appearance and movement. The file also includes messages from the Military Air Transport Service (MATS) and Army Airways Communications System (AACS), additional military intelligence reports, several diagrams, and a weather station report from Japan. Filed under subject heading 319.1 "Flying Discs." Released via PURSUE Release 1, May 8, 2026.
Significance
One of the most operationally detailed NARA records in PURSUE Release 1, this file documents the Air Force's compliance with Flight Service Regulation 200-4 - the formal 1948 mandate requiring standardized UAP reporting from all Air Force commands. The inclusion of CAA civilian aviation reports alongside military accounts, the diagrams, and the Japan weather station report indicate a comprehensive multi-source collection effort that was feeding into the Project Grudge era investigation.