Commonwealth legislation

AD/BAe 146/90 - TCAS and GPWS Aural Warning

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of BAe 146-100, -200 and -300 aeroplanes (that already have the listed prior modifications) to install modification HCM50261Y per BAe Service Bulletin SB.34-339-50261Y so that TCAS aural warnings are not inhibited by a GPWS aural warning or GPWS test. The Civil Aviation Safety Authority (the Delegate) sets a compliance deadline of 1 March 2002; the aircraft owner/operator must arrange and pay for the modification (Applicability; Requirement; Compliance; Background).

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/BAe 146/90 - TCAS and GPWS Aural Warning.

AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
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 CAR 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.

British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/90 TCAS and GPWS Aural Warnin

AD/BAe 146/90 TCAS and GPWS Aural Warning 7/2001

Applicability: All BAe 146-100, -200 and -300 series aeroplanes, with modifications HCM50261X and (HCM01077L or HCM50273B) and (HCM50040E or HCM50040N) embodied.

Requirement: Incorporate modification HCM50261Y in accordance with BAe Systems (Operations) Ltd, Modification Service Bulletin SB.34-339-50261Y dated 11 April 2001.

Note: This Modification Service Bulletin has been classified as mandatory by the CAA(UK).

Compliance: Before 1 March 2002.

This Airworthiness Directive becomes effective on 12 July 2001.

Background: Action specified by this Directive will prevent Traffic Collision and Avoidance System aural warnings being inhibited after a Ground Proximity Warning System (GPWS) aural warning or a GPWS test.

Signature of Eugene Paul Holzapfel, Delegate of the Civil Aviation Safety Authority.

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 28 May 2001

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 13 June 2001.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

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 CAR 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.

British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/90 TCAS and GPWS Aural Warnin AD/BAe 146/90 TCAS and GPWS Aural Warning 7/2001

AD/BAe 146/90 TCAS and GPWS Aural Warning 7/2001

Applicability: All BAe 146-100, -200 and -300 series aeroplanes, with modifications HCM50261X and (HCM01077L or HCM50273B) and (HCM50040E or HCM50040N) embodied.

Requirement: Incorporate modification HCM50261Y in accordance with BAe Systems (Operations) Ltd, Modification Service Bulletin SB.34-339-50261Y dated 11 April 2001.

Note: This Modification Service Bulletin has been classified as mandatory by the CAA(UK).

Compliance: Before 1 March 2002.

This Airworthiness Directive becomes effective on 12 July 2001.

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 28 May 2001

The above AD is notified in the Commonwealth of Australia Gazette on 13 June 2001.