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 33/16 Fuel System Placards 7/73 Applicability: Models 35-33, 35-A33, 35-B33, 35-C33, E-33, F33, G33 with S/Nos. CD1 to CD- 1276. Models 35-C33A, E33A, F33A with S/Nos. CE-1 to CE-366. Models E33C, F33C with S/Nos. CJ-1 to CJ-30. Requirement: Action in accordance with Beechcraft SI 0491-281 or 0493-281 as applicable. Tank inspections are to be performed on all aircraft with baffled fuel cells unless previously inspected in accordance with AD/BEECH 33/7. Compliance: Within 100 hours time in service after 31 July 1973.