AD/PA-31/34 - Bonding Parts - Modification

Overview

The Civil Aviation Regulations 1998, enacted by the Commonwealth of Australia, addresses safety concerns in the aviation industry by providing comprehensive regulations, including the issuance of Airworthiness Directives. One such directive, AD/PA-31/34, specifically pertains to Piper PA-31 series aeroplanes, aiming to enhance safety by mandating modifications to bonding parts for refuelling equipment. This directive was introduced to address the problem of improper bonding of refuelling equipment, which could lead to hazardous situations such as static electricity discharges during refuelling. The policy objective behind this directive is to ensure that aircraft maintain a safe operational standard by requiring modifications that secure proper bonding and earthing of refuelling equipment, thus minimising the risk of fuel-related accidents. Compliance with this directive is mandatory and must be achieved by 31 January 1975.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105 concerning the Civil Aviation Safety Authority's Schedule of Airworthiness Directives, pertains to all Piper PA-31-350 series aeroplanes, mandating modifications to ensure compliance with safety standards. This regulation applies to all aircraft of the specified model, requiring the implementation of a positive method for bonding refuelling equipment to the aeroplane at each fuel tank filling point, ensuring that bonding is possible even before the filler cap is removed. Additionally, the directive requires a clearly identified external earthing point for the attachment of ground connections, which should be located in a conspicuous position, ideally on each main undercarriage assembly on the nose-gear. These modifications must be completed before 31 January 1975 to maintain compliance with the set safety standards. The regulation's reach extends across the Commonwealth of Australia, and its application is enforced by the Civil Aviation Safety Authority.

Key Provisions

The Civil Aviation Regulations 1998, under Part 39, particularly section 105, include specific directives related to airworthiness. For Piper PA-31 series aeroplanes, AD/PA-31/34 mandates modifications to ensure safety during refuelling operations. Section 1 of this directive (AD/PA-31/34) requires that aircraft must be modified to include a positive method of bonding refuelling equipment to the aeroplane at each fuel tank filling point. This bonding must be achievable even before the filler cap is removed, ensuring that the refuelling equipment is securely attached to the aircraft. Section 2 of the directive stipulates that a clearly identifiable external earthing point must be established for the attachment of ground connections. This earthing point should be located in a conspicuous position, preferably on each main undercarriage assembly on the nose-gear, to ensure easy access and visibility. These modifications are mandatory and must be completed before 31 January 1975, as specified in the directive. The Civil Aviation Safety Authority (CASA) imposes these obligations to ensure that the aircraft meet the required safety standards and to mitigate the risks associated with refuelling operations. Compliance with these directives is critical to maintaining the airworthiness of the Piper PA-31 series aeroplanes and ensuring the safety of all personnel involved in refuelling operations. Failure to comply with these airworthiness directives can result in significant consequences. Under the Civil Aviation Regulations 1998, non-compliance with AD/PA-31/34 could lead to regulatory action by CASA. The severity of the penalties can vary, but they may include fines, suspension or revocation of the aircraft's airworthiness certificate, or other enforcement actions deemed necessary by CASA. These measures are in place to ensure that all aircraft operating in Australian airspace adhere to the highest safety standards.