AD/SD3-60/5 Amdt 1 - Fuselage Frame 475 - Modification

Overview

The Civil Aviation Regulations 1998, as amended by the Legislative Instrument F2006B06896, was enacted to address the regulation of civil aviation safety in Australia. This legislation was introduced to ensure the safety and efficiency of civil aviation, aligning with international standards and practices. Part 39, specifically Schedule 105, includes Airworthiness Directives, which are critical for maintaining the airworthiness of aircraft. The policy objective is to safeguard public safety and the integrity of the aviation industry by mandating specific maintenance and modification actions. One such Airworthiness Directive, AD/SD3-60/5 Amendment 1, pertains to Short SD3-60 Series Aeroplanes, with serial numbers SH 3601 to SH 3633. The directive addresses an issue regarding the availability of MS 21141 blind fasteners, as reported by the manufacturer. Consequently, the service bulletin has been reissued to specify alternate fasteners and revise the compliance date to before December 1985. This directive ensures that the affected aircraft meet the necessary safety standards, thereby mitigating potential risks associated with the specified fuselage frame modification.

Scope and Application

The Civil Aviation Regulations 1998, specifically under Part 39, governs the airworthiness directives issued by the Civil Aviation Safety Authority (CASA), including AD/SD3-60/5 Amendment 1 concerning fuselage frame 475 modifications for the SD3-60 series aeroplanes. This particular directive applies to all model SD3-60 aircraft with serial numbers ranging from SH 3601 to SH 3633. The regulation is concerned with ensuring that these aircraft meet specified safety standards by modifying a particular fuselage frame, referencing the manufacturer's service bulletin SD360-53-11 Revision 1, which addresses issues related to the unavailability of MS 21141 blind fasteners and provides alternative solutions. The directive sets a compliance date of prior to December 1985, ensuring that all affected aircraft adhere to the specified modifications in a timely manner. This regulation is applicable on a national level across Australia, enforcing compliance within the Commonwealth jurisdiction.

Key Provisions

The Civil Aviation Regulations 1998 (Cth) in Part 39 - 105, particularly AD/SD3-60/5 Amendment 1, pertains to a specific series of aeroplanes, namely the Short SD3-60, with serial numbers ranging from SH 3601 to SH 3633. This Airworthiness Directive mandates modifications to the fuselage frame 475, referencing the manufacturer's service bulletin (Shorts SB SD360-53-11 R1) as the compliance document. The directive specifically addresses a technical issue identified by the manufacturer regarding the procurement of MS 21141 blind fasteners, and it provides for the use of alternate fasteners to ensure continued airworthiness of the affected aircraft. Entities governed by this Act, such as aircraft operators and maintenance service providers, are required to ensure that the specified modifications are carried out on the relevant SD3-60 model aircraft before the compliance date, which has been revised to prior to December 1985. This requirement is critical to maintain the structural integrity and safety of the aircraft in question. The directive necessitates that the modifications be implemented as outlined in the referenced service bulletin, which provides detailed instructions and specifications for the necessary repairs or replacements. Failure to comply with the provisions of this Airworthiness Directive can result in serious consequences. Under the Civil Aviation Act 1988 (Cth), non-compliance can be considered an offence. Those found in breach of the regulations may face penalties that can include fines and potential criminal charges. The maximum penalties for such offences are substantial, reflecting the gravity of ensuring air safety and the potential risks associated with non-compliance. The exact penalties can vary based on the nature and extent of the breach, but they are designed to enforce strict adherence to the airworthiness standards set forth by the Civil Aviation Safety Authority. In addition to the potential criminal penalties, non-compliance with these airworthiness directives can also lead to civil consequences. For example, aircraft may be grounded until the required modifications are completed, which can have significant operational and financial implications for the operators. Furthermore, any incidents or accidents arising from non-compliance can result in additional legal liabilities and reputational damage. Therefore, it is imperative for all parties involved to ensure full compliance with the AD/SD3-60/5 Amendment 1 directive to avoid these severe repercussions.