COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-30 & 39 (Twin Comanche) Series Aeroplanes AD/PA-30/8 Vmc Placard - Revision 1/70 Applicability: Model PA-30 not incorporating Piper Kit 760 368 (ref. SL 552). Requirement: Change the existing Vmc placard or install a new placard to reflect the following: "MINIMUM SINGLE ENGINE CONTROL SPEED 80 Kts. IAS". Note: The work required here-in may bve performed and certified by the pilot or owner. Minimum lettering size shall not be less than that of the existing placard. Compliance: Before further flight after 26 November 1969.