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/35 Fuel Cell - Inspection 7/70 Applicability: All models fitted with P/No. DC3681 fuel cells. Requirement: Inspect the fuel cell to ensure that the rubber support channels are adequately bonded to the upper surface of the cell. Compliance: 1. For installed fuel cells - within 100 hours time in service after 31 July 1970. 2. For spar fuel cells - before installation in an aeroplane.