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-23/48 Alternate Air Induction Hose - Modification 11/71
Applicability: Turbocharged model PA-23-250 with S/Nos. 27-4053, 27-4226 to 27-4563, 27-4565 to 27-4579, 27-4581 to 27-4617, 27-4619 to 27-4627 and 27-4630 to
27-4636.
Document: 1. Piper SB No. 334; or 2. FAA AD 71-21-6.
Compliance: Within 100 hours time in service after 30 November 1971.