COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 310 Series Aeroplanes AD/CESSNA 310/48 Goodyear Fuel Cells - Inspection 6/78 Applicability: All models 310 fitted with Goodyear BTC-39 fuel cells. Document: Cessna SL No. ME78-7. Compliance: Within 100 hours time in service after 30 June 1978 and annually thereafter as detailed in Cessna SL No. ME78-7.