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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Douglas DC4 Series Aeroplanes
AD/DC4/20 Rudder Gust Lock Bolt Guard - Installation NK
Document: 1. Douglas SB (DC4) No. 84, dated 19 December 1947; or
2. ANO 105.1.16.2.5.19.