COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES SIAI Marchetti S205 and S208 Series Aeroplanes AD/SM-205/20 Main and Nose Landing Gear Torque Link Pins and Bolts - Modification Applicability: All 205 series with S/Nos. 001 to 003, 101 to 399 and 4-101 to 4-212. Document: SIAI Marchetti SB 205B35. Compliance: With 100 hours time in service after 31 July 1972. 7/72