Commonwealth legislation

AD/UH-1/8 - Tail Rotor Hub

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This Airworthiness Directive requires removal from service of tail rotor hub P/N 204-011-801-121, serial numbers IT0001–IT0010, on UH1L, TH1L and UH1H helicopters (Applicability; Requirement). Operators must remove the identified hubs before the next flight (Compliance). CASA issued the directive under CAR 1998 subregulation 39.1(1) to prevent failure of those hubs (Background). The immediate cost, downtime and replacement sourcing fall on the affected aircraft owners/operators.

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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.

AD/UH-1/8 Tail Rotor Hub 8/2000

Applicability: Models UH1L, TH1L and UH1H.

Requirement: Remove from service tail rotor hub P/N 204-011-801-121 with any serial number IT0001 to and including IT0010.

Compliance: Before further flight after the effective date of this directive.

Note: FAA AD 89-20-12 refers.

Signature of David Alan Villiers Delegate of the Civil Aviation Safety Authority
This Airworthiness Directive becomes effective on 10 August 2000. Background: This directive is issued to prevent failure of certain tail rotor hubs.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 July 2000

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 12 July 2000.

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.