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/4 Outboard Elevator and Tailplane Hinge - Inspection 3/63 Applicability: Victa Airtourer 100 and 115 with S/Nos. 1 to 14 not incorporating Mod. B27. Requirement: Inspect the outboard elevator and tailplane hinge fittings P/N 0221012 and 0220009 for cracks, particularly in the region of the bend radius on the elevator hinge P/N 0221012. Compliance: At intervals not exceeding 25 hours time in service, after 1 September 1971.