COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES DHC-3 (Otter) Series Aeroplanes AD/DHC-3/16 Flap Control Rod Sub-Assembly NK Applicability: All models with S/Nos 2 to 292. Requirement: Action in accordance with De H Canada EB "O" No 49. Note: Canadian AD 58-15 refers. Compliance: Forthwith.