COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Mooney M20 Series Aeroplanes AD/M20/30 Amdt 2 Control Wheel Shaft - Inspection 9/78 Applicability: All models M20, M20A, M20B, M20C with S/Nos. prior to 20-1238, M20D, M20E, M20F with S/Nos. prior to 22-1440, and M20G. Document: Mooney SB M20-205B. Compliance: Unless already accomplished, within 25 hours time in service after achieving 1000 hours time in service and thereafter at intervals not exceeding 500 hours time in service until modified in accordance with SB M20-205B.