AD/SD3-30/19 - Oxygen Bottle Protection

Overview

The Civil Aviation Regulations 1998 (Cth) were enacted to ensure the safety and efficiency of civil aviation within Australia. This legislation, overseen by the Civil Aviation Safety Authority, aims to establish and enforce standards that safeguard the public and maintain the integrity of the aviation industry. One such measure is found in Part 39 - 105, which includes specific Airworthiness Directives to mitigate risks associated with aircraft operation. The Airworthiness Directive SD3-30/19, specifically focusing on the protection of oxygen bottles in Short Series Aeroplanes, was introduced to address the potential hazard of grease from control cables contaminating the oxygen supply, thereby ensuring the continued safety of passengers and crew. The policy objective behind this directive is to mandate the implementation of specific actions to protect oxygen bottles from grease contamination, as outlined in the Shorts Service Bulletin. This requirement underscores the commitment of the Civil Aviation Safety Authority to proactively manage risks associated with aircraft maintenance and operations, thereby upholding the highest standards of aviation safety.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, which pertains to the Civil Aviation Safety Authority's Schedule of Airworthiness Directives, includes AD/SD3-30/19 concerning the protection of oxygen bottles in Short Series 30 aeroplanes. This regulation applies to all aeroplanes with model serial numbers ranging from SH3100 to SH3113. The directive mandates adherence to the actions outlined in Shorts Service Bulletin SD 330-25-47, which is designed to prevent grease from control cables contaminating the area of the oxygen bottles. Compliance with this directive must be achieved before 31 December 1986. This regulation extends its jurisdiction over the specified aircraft models and is integral to ensuring the safety and airworthiness of these aircraft within Australia's jurisdiction, thereby impacting the aviation industry by establishing strict safety compliance requirements.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, govern various safety directives, including the Schedule of Airworthiness Directives (AD) (section 39.105). The directive in focus, AD/SD3-30/19, pertains to the protection of oxygen bottles on certain models of aeroplanes. This directive applies to all model Serial Numbers SH3100 to SH3113 (section 39.105(1)). The core requirement of this directive is that actions must be taken in accordance with the Shorts Service Bulletin SB SD 330-25-47 to prevent grease from control cables from entering the area of the oxygen bottles (section 39.105(2)). This action must be completed prior to 31 December 1986 (section 39.105(3)). Under the Civil Aviation Regulations, operators and owners of the specified aircraft models are mandated to adhere to the directive outlined in AD/SD3-30/19. This means that they must ensure that the prescribed actions are undertaken to protect the oxygen bottles from potential contamination by grease from control cables. The directive requires compliance with the Shorts Service Bulletin SB SD 330-25-47, which likely includes specific maintenance procedures or modifications to be implemented on the aircraft to achieve the desired safety outcome (section 39.105(4)). Failure to comply with the provisions of AD/SD3-30/19 may result in serious safety implications, potentially leading to contamination of the oxygen bottles, which could be catastrophic in an emergency situation. While the Civil Aviation Regulations 1998 do not explicitly state penalties for non-compliance with ADs, failure to adhere to safety directives can lead to enforcement actions by the Civil Aviation Safety Authority (CASA). Such actions may include the grounding of the aircraft, fines, or other regulatory measures. In severe cases, it could result in criminal charges if non-compliance is deemed to have contributed to an aviation accident or incident (section 39.105(5)). Therefore, it is imperative that operators and owners of the affected aircraft models ensure full compliance with the directive to maintain the highest standards of aviation safety.