COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Radio Communication and Navigation Equipment
AD/RAD/47
Amdt 1
Periodic Testing of ATC Transponders 11/94
Applicability: All Air Traffic Control transponders.
Requirement: Perform a system test in accordance with the requirements contained in United States Federal Aviation Regulations Part 43 Appendix F. Code 2100 should be used when carrying out transponder tests.
Compliance: The compliance for the original issue of this directive was within 24 calendar months from 23 July 1992 and thereafter at either:
- intervals not exceeding 24 calendar months, or
b. intervals approved in accordance with a System of Maintenance for the aircraft pursuant to Civil Aviation Regulation 42M.
The compliance remains unchanged and this amendment becomes effective on 13 October 1994.
Note: Consideration should be given to aligning this inspection/test with that required by AD/RAD/43.
Background: This Directive was originally issued to introduce a procedure additional to the transponder self check prescribed in Civil Aviation Regulations, Schedule 5, Section 5 sub-paragraph (4)(k) and to align with the requirements of overseas Civil Aviation Regulatory Authorities. This amendment is issued to advise of a new code, compatible with Air Traffic Control requirements, to be used when testing transponder systems.