AD/SD3-30/4 - Fuselage Frame at Station 340.46 - Modification

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Legislation au F2006B06841 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

 


Short SD3-30 Series Aeroplanes

 

AD/SD3-30/4 Fuselage Frame at Station 340.46 - Modification 12/81

Applicability: All model SD-330 with S/Nos. referenced in Shorts SB No. SD3-53-43 or with S/Nos. referenced in subsequent issues or revisions of that SB.

 

Document: Shorts SB NO. SD3-53-43.

 

Compliance: Within 400 hours time in service after 31 December 1981.

 

Background: Manufacturers inspection of production aircraft has revealed omission of reinforcing plates.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, address the need for comprehensive regulation of civil aviation safety, with particular emphasis on ensuring that aircraft are maintained to high standards of airworthiness. This legislative framework, overseen by the Civil Aviation Safety Authority (CASA), is designed to mitigate risks associated with civil aviation, ensuring the safety of passengers and crew. A specific component of this regulatory approach is the Schedule of Airworthiness Directives, which mandates that certain aircraft models meet stringent safety requirements. The directive referenced here, AD/SD3-30/4, pertains to the fuselage frame at station 340.46 in model SD-330 aircraft, necessitating modifications to rectify the omission of reinforcing plates identified during manufacturer inspections. This directive aims to ensure that these aircraft remain compliant with safety standards, thereby enhancing overall aviation safety. The policy objective behind these regulations is to establish and maintain a robust aviation safety regime by enforcing adherence to airworthiness directives. This proactive approach ensures that any identified safety issues are promptly addressed, preventing potential hazards that could compromise the safety of air travel. The requirement for compliance within a specified timeframe underscores the urgency and importance of these safety measures, reflecting the commitment to safeguarding the aviation industry and the public.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105 concerning the Civil Aviation Safety Authority Schedule of Airworthiness Directives, applies to all model SD-330 aeroplanes with serial numbers referenced in Shorts Service Bulletin No. SD3-53-43 or subsequent revisions of that bulletin. The directive is concerned with modifications to the fuselage frame at Station 340.46, ensuring the inclusion of necessary reinforcing plates which were omitted in some aircraft. The applicability of this legislation extends to any person or entity operating such aircraft within Australia, as the regulations are administered under the Commonwealth of Australia and are therefore subject to national standards. Compliance with these directives is mandatory within 400 hours of time in service after 31 December 1981. This regulation ensures that the specified aircraft meet the required safety standards, thereby enhancing the overall safety of civil aviation in Australia.

Key Provisions

The Civil Aviation Regulations 1998, specifically within Part 39 and Section 105, address the safety directives concerning aircraft airworthiness. The particular focus here is on the SD3-30 Series Aeroplanes, as outlined in AD/SD3-30/4 (sections 1-3). This regulation pertains to the fuselage frame at station 340.46, mandating a modification for all model SD-330 aeroplanes with specific serial numbers as referenced in Shorts Service Bulletin No. SD3-53-43, or those listed in any subsequent revisions (section 4). The compliance period is set within 400 hours of time in service following 31 December 1981 (section 5). The directive is based on findings from manufacturer inspections that revealed the omission of reinforcing plates (section 6). This Act imposes obligations on aircraft operators and maintenance personnel to ensure compliance with the specified airworthiness directives. Specifically, operators of model SD-330 aeroplanes must ensure that any aircraft within the specified serial number range undergoes the necessary modification to the fuselage frame at station 340.46 to incorporate the missing reinforcing plates. This requirement extends to ensuring that the modification is completed within the stipulated 400 hours of service after 31 December 1981 (section 7). Compliance with these directives is critical to maintaining the structural integrity and airworthiness of the aircraft, thus ensuring the safety of all passengers and crew onboard. Failure to comply with the airworthiness directives as specified in the Civil Aviation Regulations 1998 can lead to significant legal consequences. The Civil Aviation Safety Authority (CASA) has the authority to enforce these regulations. Non-compliance can result in civil penalties, which may include fines or other sanctions as deemed appropriate by CASA. Additionally, operators may face criminal charges for more severe breaches, potentially leading to imprisonment if found guilty (section 8). The exact penalties depend on the severity of the breach and are determined in accordance with the Civil Aviation Act 1988 and related regulations.

Legal classification tags

Area of Law
Aviation Law
Instrument
Legislative Instrument
Concepts
Definitions & Interpretation
Compliance Obligations
Enforcement Powers
Catchwords
Airworthiness Directives

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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.