COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Airtractor AT-300, 400 and 500 Series Aeroplanes
AD/AT/10 Aircraft Wiring 12/89
Applicability: All Airtractor model AT 301/AT 401.
Requirement: Modify the aircraft wiring as detailed in Field Air Engineering Order 091 or to a scheme approved by the Authority.
Compliance: Prior to 31 December 1990.
Background: The aircraft wiring requires modification to comply with the FAR’s and CAO’s.
Areas of non compliance include:
- Incorrect wire gauges (master relay to bus bar; alternator to bus bar; alternator to earth; and starter motor to earth).
2. Omission of voltmeter circuit breaker.
3. Incorrect alternator circuit breaker rating (should be 70 amp).