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-205/12 Main Landing Gear Switches - Installation 3/71 Applicability: Models S-205/18/R, S205-20/R and S205-22/R with S/Nos. 106, 212, 213, 214, 220, 221, 227, 230, 233, 239, 345, 346, 347, 349, 353, 354, 355, 356, 359, 360, 361, 362, 364, 366, 367, 369, 370, 371, 372, 373, 374, 375, 376, 379, 380, 381, 382, 384, 399 and 003. Document: SIAI Marchetti SB 205B5A. Compliance: Before 31 March 1971.