AD/DC3/33 - Supplemental Inspection Program

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Legislation au F2006B08809 In force Legislative Instrument

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Douglas DC3 Series Aeroplanes

 

AD/DC3/33 Supplemental Inspection Program 7/94

Applicability: All Models.

 

Requirement:  Incorporate the inspection program outlined in McDonnell Douglas Report L26-013, “DC-3 Supplemental Inspection Document” (SID), into the maintenance schedule for the aircraft.

 

Compliance: Incorporate the SID inspection program before 26 May 1995.

 

Background: McDonnell Douglas Aircraft Corporation has produced a supplemental inspection program to ensure the continued safety of older DC-3 aircraft. This Airworthiness Directive mandates the application of the inspection program to Australian registered aircraft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, as amended, include provisions within Part 39 – 105, which pertains to airworthiness directives. One such directive, AD/DC3/33, addresses the need for a supplemental inspection program for Douglas DC3 Series aeroplanes. This legislation was introduced to ensure that the continued operation of these older aircraft remains safe and compliant with current standards. The policy objective is to mandate the incorporation of a specific inspection program into the maintenance schedules of all Douglas DC3 Series aircraft registered in Australia. The enforcement of this directive is overseen by the Civil Aviation Safety Authority (CASA) and was enacted to mitigate the risks associated with the ageing structure of these aeroplanes. The requirement set forth in AD/DC3/33 compels aircraft operators to integrate the inspection program outlined in the McDonnell Douglas Report L26-013, known as the “DC-3 Supplemental Inspection Document” (SID), into their maintenance procedures. The directive specifies a compliance deadline of 26 May 1995, after which non-compliance could result in the grounding of affected aircraft. This legislative measure was introduced in response to identified safety concerns and aims to ensure that all operators adhere to a standardised inspection regimen designed to maintain the structural integrity of Douglas DC3 Series aeroplanes.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, pertain to the Civil Aviation Safety Authority’s Schedule of Airworthiness Directives for aircraft operating in Australia. This particular regulation, AD/DC3/33, is focused on the Douglas DC3 Series aeroplanes, encompassing all models within this category. The directive requires operators of these aircraft to integrate the supplemental inspection program detailed in McDonnell Douglas Report L26-013, commonly referred to as the "DC-3 Supplemental Inspection Document" (SID), into their regular maintenance schedules. The mandate necessitates the incorporation of this inspection program prior to 26 May 1995 to ensure the continued airworthiness and safety of the aircraft. This regulation applies to any entity or individual operating a DC3 Series aeroplane registered in Australia, extending the regulatory reach across all states and territories within the Commonwealth of Australia. There are no stated exclusions or exemptions provided within the text of this directive, implying a broad application to all relevant operators unless otherwise specified by subordinate instruments.

Key Provisions

The Civil Aviation Regulations 1998, under PART 39 - 105, establish the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, including AD/DC3/33. This specific directive pertains to the Douglas DC3 series aeroplanes and mandates a supplemental inspection program for all models (AD/DC3/33). The requirement is that all operators must incorporate the inspection program detailed in McDonnell Douglas Report L26-013, known as the "DC-3 Supplemental Inspection Document" (SID), into their aircraft maintenance schedules (AD/DC3/33). Operators are required to complete this incorporation before 26 May 1995 (AD/DC3/33). The obligations imposed by AD/DC3/33 are straightforward yet crucial. Aircraft operators must ensure that the supplemental inspection program outlined in the SID is integrated into their maintenance routines. This involves following the detailed procedures and checks specified in the SID to maintain the airworthiness of the DC-3 aircraft. Operators must ensure that all inspections are conducted by qualified personnel and that any identified issues are addressed promptly to maintain compliance with safety standards (AD/DC3/33). Failure to comply with AD/DC3/33 can result in significant legal and safety consequences. CASA can impose penalties for non-compliance, which may include fines and other regulatory actions. Non-compliance with airworthiness directives can also lead to grounding of the aircraft until the required inspections are performed, which could disrupt operations and potentially endanger passengers and crew. Furthermore, serious breaches could result in criminal charges against the operators, leading to substantial penalties and imprisonment if found guilty (AD/DC3/33). The exact penalties are not detailed in the provided text, but typically, such breaches can result in significant financial penalties and reputational damage.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.