COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-22 (Tri-Pacer and Colt) Series Aeroplanes AD/PA-22/13 Amdt 1 Fuselage Fabric in Area of Windshield Top Attachment Channel - Inspection 5/69 Applicability: All models not incorporating SL 362. Document: 1. Piper SB No. 174; or 2. FAA AD 61-6-6. Compliance: At intervals not exceeding 100 hours time in service or 6 months whichever occurs first.