AD 77-23-02

Airworthiness directive · Propeller Feathering System · BAE Systems HS 748 Series 2A

Effective
December 7, 1977
Model
HS 748 Series 2A
Data sheet
TCDSA24EU
Registered aircraft
2 matched by model
Product
Aircraft · Large airplane
Amendment
39-3072

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

77-23-02 HAWKER SIDDELEY AVIATION, LIMITED: Amendment 39-3072. Applies to Hawker Siddeley Aviation Limited H.S. 748 Series 2A airplanes certificated in all categories.

Compliance is required within the next 300 hours time in service after the effective date of this AD, unless already accomplished.

To prevent failure of propeller feathering, install an electrical back-up to the primary manual feathering system in accordance with the instructions contained in Hawker Siddeley Aviation Service Bulletin No. 61/18, Modification 4609, as revised April 11, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Region, FAA, c/o American Embassy, APO New York, N.Y. 09667.

This amendment becomes effective December 7, 1977.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 2

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • British Aerospace2 aircraft

By model

Aircraft