Commonwealth legislation

AD/HS 125/143 Amdt 1 - Addition of Vents and Pressure Relief Device

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of British Aerospace BAe 125 Series 1000A/1000B and Hawker 1000 aircraft to carry out specified installations of vents and a pressure‑relief device by following three Hawker Raytheon mandatory service bulletins, completed by 31 March 1995. CASA issued the requirement at the manufacturer’s and UK CAA’s request to protect structural integrity in the event of explosive decompression. Operators pay for the work and must schedule access and minor furnishing removal to comply within the deadline.

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AD/HS 125/143 Amdt 1 - Addition of Vents and Pressure Relief Device

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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British Aerospace BAe 125 Series Aeroplanes

AD/HS 125/143

Amdt 1

Addition of Vents and Pressure Relief Device 11/94

Applicability: Model BAe 125 Series 1000A and 1000B and Hawker 1000.

Requirement: 1. Action in accordance with Hawker Raytheon Corporate Jets Mandatory Service Bulletin 53-76-3627A.

2. Action in accordance with Hawker Raytheon Corporate Jets Mandatory Service Bulletin 53-81-3661B.

3. Action in accordance with Hawker Raytheon Corporate Jets Mandatory Service Bulletin 21-151-25A683C.

Compliance: Prior to 31 March 1995.

Background: The manufacturer and the UK CAA require certain actions to be taken to ensure the structural integrity of the aircraft, in the event of an explosive decompression.

Amendment 1 is issued in response to an additional modification requirement which has taken the manufacturer time to develop. As this modification requires minimal removal of furnishings for access, the UK CAA has imposed the same compliance time.

Source text

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

1 AD/HS 125/143 Amdt 1 - Addition of Vents and Pressure Relief Device