Aircraft servicing manual entitled: "Air publication 101B-1801-1A for aircraft: Folland Gnat T.MK.1, serial number XP505"

Prepared by command of the Defence Council for use in the RAF. Formerly A.P.4781A, Vol. 1, Book 1. In 5 sections: Controls & exits; Ground handling and preparation for flight; Airframe; Power unit installation; Armament installation. This manual accompanied the Folland Gnat T.MK.1, serial number XP505, built by Folland Aircraft Ltd., Sept 1962, used by the RAE, Bedford, 1970-1983, and now in the Science Museum's Aeronautics Collection