COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-31 Series Aeroplanes
AD/PA-31/32 Electrical Power Indicators - Modification 8/74
Applicability: All models.
Requirement: Install an ammeter in each generator feeder line so that the flight crew are provided with means to continually monitor the current essential for the safe operation of the system.
Note: An ammeter that can be switched into the battery line and each generator feeder line may be used provided that the switch can be selected to a generator feeder line throughout the flight.
Compliance: Within 200 hours time in service after 30 August 1974.