Commonwealth legislation

AD/HS 125/160 - Flight Control Cables and Pitot Pipes

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This Airworthiness Directive requires owners/operators of BAe 125 series 1000A/1000B and Hawker 1000 aircraft to perform a one‑time visual inspection of P1 pitot pipes and adjacent flight control cables, fix or replace any chafed or damaged parts, and ensure at least 0.25‑inch clearance, following Raytheon Service Bulletin SB.34-3028 and the Aircraft Maintenance Manual. It places the inspection, adjustment and replacement costs and work on operators/maintenance organisations; the directive is issued by a CASA delegate under CAR subregulation 39.1(1) to correct an unsafe condition.

JSON API Aviation / CASA instruments

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/HS 125/160 - Flight Control Cables and Pitot Pipes.

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 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/HS 125/160 Flight Control Cables and

AD/HS 125/160 Flight Control Cables and Pitot Pipes 2/2000

Applicability: All Model BAe 125 series 1000A and 1000B, and Model Hawker 1000 series aeroplanes.

Requirement: 1. Perform a one-time general visual inspection to detect chafing or damage of the P1 pitot pipes, in accordance with Raytheon Service Bulletin SB.34-3028, dated January 1998.

Note 1: For the purposes of this directive, a general visual inspection is defined as: "A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or drop-light, and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked."

2. If no chafing or damage is found during the Requirement 1 inspection, ensure a clearance of 0.25 inch or more exists between the P1 pitot pipes and flight control cables. If clearance is less than 0.25 inch, reposition the P1 pitot pipes to achieve

0.25 inch clearance, in accordance with the service bulletin.

3. If a pitot pipe is found to be chafed or damaged during the Requirement 1 inspection, accomplish the following:

Replace the discrepant pitot pipe with a new pipe, and ensure that a clearance of

0.25 inch or more exists between the flight control cables and the new pitot pipe, in accordance with the service bulletin. If clearance is less than 0.25 inch, reposition the P1 pitot pipes to achieve 0.25 inch clearance, in accordance with the service bulletin.

b. Perform a general visual inspection for damage of the flight control cables adjacent to the area of chafing or damage of the P1 pitot pipes, in accordance with the service bulletin. If damage is found, replace the damaged flight control cables with new cables in accordance with Chapter 20-10-31 of the Aircraft Maintenance Manual.

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 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/HS 125/160 Flight Control Cables and AD/HS 125/160 Flight Control Cables and Pitot Pipes 2/2000

AD/HS 125/160 Flight Control Cables and Pitot Pipes 2/2000

Applicability: All Model BAe 125 series 1000A and 1000B, and Model Hawker 1000 series aeroplanes.

Requirement: 1. Perform a one-time general visual inspection to detect chafing or damage of the P1 pitot pipes, in accordance with Raytheon Service Bulletin SB.34-3028, dated January 1998.

2. If no chafing or damage is found during the Requirement 1 inspection, ensure a clearance of 0.25 inch or more exists between the P1 pitot pipes and flight control cables. If clearance is less than 0.25 inch, reposition the P1 pitot pipes to achieve

0.25 inch clearance, in accordance with the service bulletin.

3. If a pitot pipe is found to be chafed or damaged during the Requirement 1 inspection, accomplish the following:

Replace the discrepant pitot pipe with a new pipe, and ensure that a clearance of

b. Perform a general visual inspection for damage of the flight control cables adjacent to the area of chafing or damage of the P1 pitot pipes, in accordance with the service bulletin. If damage is found, replace the damaged flight control cables with new cables in accordance with Chapter 20-10-31 of the Aircraft Maintenance Manual.