COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 310 Series Aeroplanes AD/CESSNA 310/18 Fuel System - Modification 8/69 Applicability: All model 310 with S/Nos. 35000 to 35546. Model 310A with S/Nos. 38001 to 38161. Model 310B with S/Nos. 607, 35547, 35548, 35549, 35551 to 35771. Model 310C with S/Nos. 35550, 35772 to 35999, 39000 to 39031. Model 310D with S/Nos. 39032 to 39299. Model 310E with S/Nos. 35912A, 310M0001 to 310M0036. Model 310F with S/Nos. 3100001 to 3100156. Requirement: Cessna SL 310-66. Compliance: Within 100 hours time in service after 1 August 1969.