COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-23 (Apache and Aztec) Series Aeroplanes
AD/PA-23/71 Emergency Gear Extension System - Inspection 7/77
Applicability: Models PA23-250 and PA-E23-250 with S/Nos. 27-2659 to 27-7754039. Document: Piper SB No. 564.
Compliance: Within 100 hours time in service after 31 July 1977.