COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Hot Air Balloons
AD/BAL/9
Amdt 1
Instruments in Thermal Airships 9/90
Applicability: All thermal airships for which a system of maintenance has not been approved pursuant to CAR 38(3).
Requirement: Carry out a calibration check of all instruments in accordance with manufacturer’s instructions/specifications.
Compliance: At intervals not exceeding three years.
Background: Whilst CAR 2 definition of aircraft covers airships the decision to have thermal airships maintained IAW CAO 100.54 means in the absence of a major inspection a period must be specified for the calibration of instruments.
This inspection requirement has been extended to all thermal airships.