COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Schweizer (Hughes) 269 Series Helicopters
AD/HU 269/50
Amdt 1
Main Rotor Mast and Tailboom Supports - Inspection and Modification
2/76
Applicability: All models which have achieved 300 hours or more time in service. Document: Hughes SIN No. N-124.1.
Compliance: For Part I: Unless already accomplished, within 100 hours time in service after 27 February 1976.
For Part II: With 300 hours time in service after 27 February 1976.