COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Victa and A.E.S.L. Airtourer Series Aeroplanes AD/VAT/23 Fuel Filter Cooling - Modification 4/65 Applicability: Victa Airtourer 100 and 115. Document: Victa Mod. No. B216. Compliance: Before 12 April 1965.