COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerostar (Piper/Ted Smith) 600 and 700 Series Aeroplanes AD/TSA-600/19 Fuel System Placards - Installation 5/79 Applicability: All models. Document: Piper Aerostar SB No. SB600-79. Compliance: Before 30 June 1979. Background: Resulting from a recent review of the Aerostar fuel system by the FAA, additional and revised placards are now required to be installed in accordance with SB No. SB600-79.