Commonwealth legislation

AD/DC4/20 - Rudder Gust Lock Bolt Guard - Installation

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This AD (AD/DC4/20) requires installation of a rudder gust‑lock bolt guard on Douglas DC‑4 series aeroplanes, to be done in accordance with Douglas Service Bulletin No.84 (19 Dec 1947) or ANO 105.1.16.2.5.19. CASA issues and enforces the directive under Part 39.

It affects DC‑4 owners/operators and maintenance organisations, who must fund and carry out the work, follow the referenced documents for compliance, and retain records.

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AD/DC4/20 - Rudder Gust Lock Bolt Guard - Installation

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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 Douglas DC4 Series Aeroplanes

AD/DC4/20	Rudder Gust Lock Bolt Guard - Installation	NK
Document:	1. Douglas SB (DC4) No. 84, dated 19 December 1947; or
	2. ANO 105.1.16.2.5.19.

Source text

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

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Douglas DC4 Series Aeroplanes

AD/DC4/20	Rudder Gust Lock Bolt Guard - Installation	NK
Document:	1. Douglas SB (DC4) No. 84, dated 19 December 1947; or
	2. ANO 105.1.16.2.5.19.