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-6/43
Amdt 1
Elevator Housing Assembly Lower Mounting Structure
9/91
Model DHC-6 with serial numbers 2 through 494, 497 through 503, 505 and 507.
Action in accordance with the Technical Requirements of Transport Canada AD CF- 77-05 R1.
De Havilland SB 6/348 refers.
As specified in the Requirement Document.
This amendment is raised to reflect transport Canada’s ageing aircraft program, which requires terminating action rather than repetitive inspections for known critical service problems.