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/22C Nose Leg Strut - Modification 5/66 Applicability: Victa Airtourer 100 and 115 not incorporating Mod. B206. Document: Victa SB No. 48, Issue 3. Compliance: Before 500 hours total time in service.