Commonwealth legislation

AD/RAD/6 - Bendix VHF Nav. Receivers, Flag Alarm and Deviation Circuit Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What this does: This is a mandatory safety instruction (called an Airworthiness Directive) that requires specific modifications to certain aircraft navigation radios before they can be legally installed in Australian aircraft.

Who it affects: Aircraft maintenance engineers, avionics technicians, and aircraft owners who deal with Bendix VHF Navigation Receivers (specifically model MN-85DB).

What must be done: Before installing one of these specific radio units in any aircraft, you must modify the "flag alarm" and "deviation circuit" according to the technical instructions in Bendix Service Bulletin M-195 (Procedure 1) or the alternative standard referenced as ANO 107.9.13.2.1.

Why it matters: The "flag alarm" is a warning system that tells pilots when the navigation signal is too weak or unreliable to follow. This modification ensures the warning works correctly, preventing pilots from accidentally following faulty signals that could lead them dangerously off course.

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Current sections

Direct links to the current provisions in AD/RAD/6 - Bendix VHF Nav. Receivers, Flag Alarm and Deviation Circuit Modification.

AD/RAD/6 - Bendix VHF Nav. Receivers, Flag Alarm and Deviation Circuit Modification

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Radio Communication and Navigation Equipment

AD/RAD/6 Bendix VHF Nav. Receivers, Flag Alarm NK

and Deviation Circuit Modification Applicability: All Bendix VHF Nav. Receivers Type MN-85DB. Document: 1. Bendix Radio SB No. M-195, Procedure 1; or

ANO 107.9.13.2.1.

Compliance: Before installation in an aircraft.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.