COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Instruments and Automatic Pilots AD/INST/30 King KAP 100/KAP 150/KFC 150 Flight Control System Applicability: Flight Computers KC 190, KPN 065-0055-00/-01, all serial numbers. 2/86 KC 190, KPN 065-0055-02, serial number 1474 and below. KC 190, KPN 065-0055-03, serial number 10095 and below. KC 191, KPN 065-0054-00/-01, all serial numbers. KC 191, KPN 065-0054-02 & -04, serial number 20754 and below. KC 191, KPN 065-0054-03 & -05, serial number 30227 and below. KC 192, KPN 065-0042-00/-01, all serial numbers. KC 192, KPN 065-0042-02 & -04, serial number 40614 and below. KC 192, KPN 065-0042-03 & -05, serial number 50464 and below. Units with serial numbers above those stated have Mod 9 incorporated during original manufacturing. Requirement: King SB KC 190/191/192-9. Note: FAA AD 85-23-07 also refers. Compliance: Within 100 hours time in service after 28 February 1986. Background: To ensure the trim monitor in the flight computer will provide an audible warning signal upon detection of a trim failure.