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-6/30 Air Conditioning Compartment - Modification 10/71
Applicability: All models with S/Nos. 1 to 329 and fitted with a JB Systems Series 1000 airconditioner.
Document: De Havilland of Canada SB 6/280.
Compliance: Disconnect electrical power to airconditioner before further flight and until embodiment of additional sealing in accordance with SB 6/280.