AD 2001-13-05

final rule
Data completeness: 70%

Airworthiness Directives; Raytheon Model BAe.125 Series 800A (C-29A and U-125 Military), 1000A, and 1000B Airplanes; Hawker 800 (U-125A Military) Airplanes; and Hawker 800XP and 1000 Series Airplanes

AD Number
2001-13-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-212-AD
FR Citation
66 FR 34096

Applicability

TypeManufacturerModelDetails
aircraft Raytheon BAe Airworthiness Directives; Raytheon Model BAe.125 Series 800A (C-29A and U-125 Military), 1000A, and 1000B Airplanes; Hawker 800 (U-125A Military) Airplanes; and Hawker 800XP and 1000 Series Airplanes

Unsafe Condition

The turbine air discharge duct or water separator outlet duct may disconnect from the cold air unit turbine or from the water separator, resulting in the loss of air supply to maintain adequate cabin pressure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Remove existing clamps, bedding tapes, and rubber connecting sleeves at the ends of the turbine air discharge duct and the water separator, and replace them with new, improved components. For certain airplanes, also remove aluminum bedding strips installed under the existing clamps.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

At the earliest of: (1) Prior to any extended over-water operation, (2) Within 300 hours time-in-service after the effective date, or (3) Within six months after the effective date.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Raytheon Model BAe.125 Series 800A (C-29A and U-125 Military), 1000A, and 1000B airplanes; Hawker 800 (U-125A Military) airplanes up to and including serial number 258406; Hawker 800XP series airplanes up to and including serial number 258483; and Hawker 1000 series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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Related Airworthiness Directives

2013-11-16

final rule

Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate Previously Held by Raytheon Aircraft Company) Airplanes

Unsafe Condition: which could cause structural damage or lead to divergent flutter, and result in loss of integrity of the wing, loss of control of the airplane, and in-flight breakup.

Effective: Jul 2, 2013 Category: aircraft

2004-12-02

final rule

Airworthiness Directives; Raytheon Model BAe.125 Series 800A, 800A (C-29A), and 800B Airplanes; and Model Hawker 800 Airplanes

Unsafe Condition: unsafe condition.

Effective: Jul 14, 2004 Category: aircraft

2004-11-01

final rule

Airworthiness Directives; Raytheon Model BAe.125 Series 800A (Including C-29A and U-125 Variant) and 800B Airplanes; and Model Hawker 800 (Including U-125A Variant), and 800XP Airplanes

Unsafe Condition: unsafe condition.

Effective: Jul 7, 2004 Category: engine

2003-07-07

final rule

Airworthiness Directives; Raytheon Model BAe.125 Series 800A, 800A (C-29A), 800A (U-125), and 800B Airplanes; Model BH.125 Series 400A Airplanes; Model DH.125 Series Airplanes; Model Hawker 800, 800 (U-125A), and 800XP Airplanes; and Model HS.125 Series F3B, F3B/RA, F400B, F403B, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/R, 3B/RA, 3B/RB, 3B/RC, 400B, 400B/1, 401B, 403A(C), and 403B Airplanes

Unsafe Condition: unsafe condition.

Effective: May 8, 2003 Category: aircraft

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