Commonwealth legislation

AD/WILGA/2 - Stall Warning System

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

The directive legally requires owners/operators and maintenance organisations of PZL‑104 Wilga 80 aircraft to fit a physical guard over the Stall Warning System’s automatic switch, installed as specified in the manufacturer’s Mandatory Service Bulletin, before 1 August 1995. It aims to prevent inadvertent shut‑off of the stall warning horn; owners/operators (or their contractors) bear parts, labour and downtime costs.

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AD/WILGA/2 - Stall Warning System

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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 PZL 104 (Wilga) Series Aeroplanes

AD/WILGA/2 Stall Warning System 2/95

Applicability: All PZL-104 `Wilga 80’ aircraft.

Requirement: Install a guard on the Stall Warning System automatic switch in accordance with PZL-Warszawa-Okecie Mandatory Service Bulletin 10493023.

Note: This Service Bulletin has been classified as Mandatory by the General Inspectorate of Civil Aviation Poland.

Compliance: Prior to 1 August 1995.

Background: This Directive introduces measures whereby the Stall Warning System cannot be inadvertently switched off, preventing the operation of the acoustic warning horn.

Source text

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