Etude sur la navigation aérienne / P. Girardville Essai sur la navigation aérienne : aérostationaviation / E. Lapointe airways and air communications service manual Flight inspection procedures for USAF navigational aids / [Publ. by the] department of the air force History of air navigation / by Arthur J. Hughes Beechcraft T-7 Navigator met het registratienummer G-10 Beechcraft T-7 Navigator met registratie: G-3 Tas Pilot Navigation Kit B-3 B-4 B-3HS B-3 Nr 29
