Commonwealth legislation

AD/RAD/78 - Becker AR4201 VHF Transceiver

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive covers Becker AR4201 VHF transceivers with serial numbers 150–9499. It requires operators to inspect serial numbers, insert a temporary Aircraft Flight Manual (AFM) limitation restricting the unit to VFR, have the unit modified per Becker Service Bulletin AR4201-01/03, then remove the AFM restriction once modified; unmodified units may not be installed after the directive takes effect. The rule addresses an identified unsafe condition by forcing inspection and retrofit, with short-term operational limits and a retrofit requirement.

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AIRWORTHINESS DIRECTIVE

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For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

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Radio Communication and Navigation Equipment

AD/RAD/78 Becker AR4201 VHF Transceiver

AD/RAD/78 Becker AR4201 VHF Transceiver 10/2003

Applicability: Becker Flugfunkwerk GmbH AR4201-( ) series Very High Frequency transceivers with serial numbers (S/N) 150 up to and including 9499.

Requirement: 1. Inspect the Becker AR4201 transceiver to determine the S/N.

2. If, as a result of the Requirement 1 inspection, the S/N is determined to be in the range 150 to 9499 inclusive, amend the Aircraft Flight Manual (AFM) ‘Limitations Section’ by including the following limitation:

“USAGE OF BECKER COMM EQUIPMENT 4201 IS RESTRICTED TO VFR OPERTIONS”

This is to be accomplished by inserting a copy of this Directive into the AFM.

3. Modify the transceiver in accordance with Becker Flugfunkwerk GmbH Service Bulletin AR4201-01/03 dated 22 July 2003.

4. Remove the Requirement 2 AFM amendment.

5. AR4201-( ) series transceivers with S/N 150 up to and including 9499 may not be installed on any aeroplane as a replacement part or new installation unless modified in accordance with Requirement 3.

Note: LBA AD 2003-234 refers.

Compliance: For Requirement 1 and 2 - Within ten days after the effective date of this Directive.

For Requirement 3 - At the discretion of the Certificate of Registration holder. For Requirement 4 - Following compliance with Requirement 3.

For Requirement 5 - As of the effective date of this Directive.

This Airworthiness Directive becomes effective on 2 October 2003.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE