65 hs1 834228961 62 HQ 83894 Serial 164

Summary

FBI Headquarters serial 164 within file 62-HQ-83894, which opens with an Air Force Directorate of Intelligence document titled Air Intelligence Requirements Memorandum Number 4, Unconventional Aircraft, dated 15 February 1949. Marked RESTRICTED and issued from Washington, the memorandum states Air Force requirements for information on sightings of unconventional aircraft and unidentified flying objects, including so-called flying discs. It supersedes earlier Army collection memoranda from 1948 and establishes procedures for promptly reporting such sightings, including immediate electrical transmission after observations. The surrounding pages are FBI file routing and cover material.