Commonwealth legislation

AD/TB20/6 - Autopilot Pitch Servo Cable Guards

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

If you operate an Aerospatiale (Socata) TB20 with a KAP 150 or KFC 150 autopilot installed under STC SA 1785CE‑D, this directive mandates modifying the aircraft per King Service Bulletin KS 177/178‑3 within 10 hours TIS after 16 January 1986. It was issued to eliminate a reported risk of primary pitch‑control jamming and imposes prompt compliance costs and downtime on owners/operators.

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Current sections

Direct links to the current provisions in AD/TB20/6 - Autopilot Pitch Servo Cable Guards.

AD/TB20/6 - Autopilot Pitch Servo Cable Guards

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes

AD/TB20/6 Autopilot Pitch Servo Cable Guards 2/86 DM Applicability: All model TB20 with KAP 150/KFC 150 autopilot to STC SA 1785CE-D. Requirement: King SB KS 177/178-3 Note: FAA AD 85-25-02 also refers.

Compliance: Within 10 hours time in service after 16 January 1986.

Background: An installation problem has been identified which can result in jamming of primary pitch control. This condition has occurred in service.

Source text

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