COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
DHC-6 (Twin Otter) Series Aeroplanes
AD/DHC-6/4 Nose Landing Gear - Modification 7/67
Applicability: All models with S/Nos. 4 to 24, 26 to 29 and 31 to 37. Document: De Havilland of Canada Mod. Bulletin 6/1040.
Compliance: Before 1 September 1971.