COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Instruments and Automatic Pilots
AD/INST/1 Gyro Horizon Indicators Power Failure NK
Warning Flag - Modification
Applicability: Sperry Model H-3 Gyro Horizon. Document: 1. Sperry FSB H.3 No. 18; or
2. ANO 107.3.9.3.1.
Compliance: Before installation in an aircraft.