MIL-A-19531B (NOTICE 1), MILITARY SPECIFICATION: AIRCRAFT: MAINTENANCE AND ENGINEERING INSPECTION REQUIREMENTS (25-SEP-1991) [NO S/S DOCUMENT]
MIL-A-19531B (NOTICE 1), MILITARY SPECIFICATION: AIRCRAFT: MAINTENANCE AND ENGINEERING INSPECTION REQUIREMENTS (25-SEP-1991) [NO S/S DOCUMENT].