COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes AD/BEECH 33/27 Goodyear Fuel Cells 6/78 Applicability: Models: 35-B33, 35-C33, E33 and F33 with S/Nos. CD-588 to CD-1304; 35-C33A, E33A and F33A with S/Nos. CE-1 to CE-235, CE-249, CE-250, CE-256, CE-260, CE-264 to CE-268 and CE-271 to CE-464; E33C and F33C with S/Nos. CJ-1 to CJ- 38; fitted with Goodyear BTC-39 fuel cells. Requirement: Action in accordance with Beechcraft SI No. 0895. Compliance: Within 100 hours time in service after 30 June 1978 and thereafter at intervals not exceeding twelve months.