Commonwealth legislation

AD/DHC-1/35 Amdt 1 - Engine Mounting Frame Joints

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires owners/operators of De Havilland DHC‑1 (Chipmunk) aeroplanes fitted with engine mounting frames P/N C1.EM.1A or C1.EM.2A to inspect and follow British Aerospace Technical News Sheet CT (C1) No. 190 Issue 2. Initial inspection is due within 90 days after 25 December 2003 (unless already done), then at intervals not exceeding 600 hours time in service. CASA (the delegate) issues the requirement; owners/operators pay to perform inspections and any corrective work directed by the technical sheet.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/DHC-1/35 Amdt 1 - Engine Mounting Frame Joints.

AD/DHC-1/35 Amdt 1 - Engine Mounting Frame Joints

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source

AIRWORTHINESS DIRECTIVE

View image in the official source

For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/DHC-1/35 and issues the following AD under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

View image in the official source

De Havilland DHC-1 (Chipmunk) Series Aeroplanes

AD/DHC-1/35

Amdt 1

Engine Mounting Frame Joints 13/2003

Applicability: DHC-1 aircraft with Engine Mounting Frames Part Number C1.EM.1A L.H. and C1.EM.2A R.H. installed.

Requirement: Action in accordance with British Aerospace Technical News Sheet CT (C1) No. 190 Issue 2.

Note: UK CAA AD 003-08-94 refers.

Compliance: Within 90 days after 25 December 2003, unless the initial inspection has already been accomplished in accordance with British Aerospace Technical News Sheet CT (C1) No. 190 Issue 2. Thereafter inspect at intervals not to exceed 600 hours time in service.

This Amendment becomes effective on 25 December 2003.

Background: The manufacturer received reports of cracked engine mounting frames.

Amendment 1 is issued to update the Requirement document to the current issue.

Signature of David Villiers Delegate of the Civil Aviation Safety Authority

David Villiers

Delegate of the Civil Aviation Safety Authority 12 November 2003

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 3 December 2003.

Page 1 of 1

Source text

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

1 AD/DHC-1/35 Amdt 1 - Engine Mounting Frame Joints

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

AIRWORTHINESS DIRECTIVE

De Havilland DHC-1 (Chipmunk) Series Aeroplanes

AD/DHC-1/35

Amdt 1

Engine Mounting Frame Joints 13/2003

Applicability: DHC-1 aircraft with Engine Mounting Frames Part Number C1.EM.1A L.H. and C1.EM.2A R.H. installed.

Requirement: Action in accordance with British Aerospace Technical News Sheet CT (C1) No. 190 Issue 2.

Note: UK CAA AD 003-08-94 refers.

This Amendment becomes effective on 25 December 2003.

Background: The manufacturer received reports of cracked engine mounting frames.

Amendment 1 is issued to update the Requirement document to the current issue.

David Villiers

Delegate of the Civil Aviation Safety Authority 12 November 2003

The above AD is notified in the Commonwealth of Australia Gazette on 3 December 2003.

Page 1 of 1