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-30/9 Installation of Vne Placard 7/70 Applicability: Model PA-30 with S/Nos. 30-1 to 30-852 and 30-854 to 30-901. Requirement: Attach the following operating limitation placard to the airspeed indicator in full view of the pilot: "DO NOT EXCEED 206 Kts. IAS". Compliance: Within 10 hours time in service after 8 July 1970.