COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airparts (NZ) Ltd. FU 24 Series Aeroplanes AD/FU24/52 Fuel Line - Modification 6/77 Applicability: All model FU24 with S/Nos. 191 and below excluding turbo- prop models. Document: Aerospace SB No. ASB/FU/003, Issue 2. Compliance: Before 1 January 1978.