Commonwealth legislation

AD/TB20/21 - Propeller Deicing Electrical Circuit Protection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD mandates fitting the correctly rated fuse in the propeller de‑icing electrical circuit on specified Aerospatiale (Socata) TB20 and TB21 aeroplanes, to be done in accordance with Aerospatiale TB Airplanes - SB Nr. 59. Compliance was required by 3 October 1992.

It affects owners/operators of the listed aircraft, who must arrange and pay for the parts and labour; the AD is issued under the Commonwealth Civil Aviation Regulations to ensure circuit integrity and airworthiness.

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Current sections

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AD/TB20/21 - Propeller Deicing Electrical Circuit Protection

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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/TB20/21 Propeller Deicing Electrical Circuit Protection 10/91

Applicability: All TB20 and TB21 aircraft as specified in the requirement document. Requirement: Action in accordance with Aerospatiale TB Airplanes - SB Nr. 59.

Compliance: Prior to 3 October 1992.

Background: Compliance with this AD is necessary in order to ensure the integrity of the propeller de icing circuit by installing the correct rating fuse.

Source text

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