COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 36 (Bonanza) Series Aeroplanes AD/BEECH 36/16 Fuel System Placards 7/73 Applicability: Models 36 and A36 with S/Nos. E-1, E-310. 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 36/6. Compliance: Within 100 hours time in service after 31 July 1973.