1AD/RAD/47 Amdt 1 - Periodic Testing of ATC Transponders

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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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.