Standard aircraft handbook; second edition, eighth printing - 1968 Fokker F-27 checklist (Dart 6 engines) d.d. 1-2-1968 F-27 checklist F 27 Dart Mk. 511, kant 1: pre-flight check (cockpit) 1-3-1960, kant 2: normal procedures issue 4, 15-2-1960. Maintenance/Overhaul manual KRA 405 radar altimeter system RNLAF series Bölkow 105 helicopter