AD/SC7/9 - Front (Pilot) Seats Restraint Installations - Modification

Overview

The Civil Aviation Regulations 1998, enacted by the Commonwealth of Australia, play a crucial role in ensuring the safety and efficacy of civil aviation activities within the country. One significant piece of legislation under these regulations is Part 39 - 105, which pertains to the Civil Aviation Safety Authority’s schedule of airworthiness directives. Specifically, AD/SC7/9 addresses the modification of front (pilot) seats restraint installations for the Short SC7 (Skyvan) Series aeroplanes. This directive was introduced to address safety concerns related to the restraint systems in these aircraft, aiming to ensure that pilots are adequately secured during flights. The objective, as outlined in the directive, is to mandate the modification of each front seat restraint installation by fitting a safety harness approved by the Secretary, with compliance required before 1 January 1974. Guidelines for the installation of these safety harnesses are detailed in Airworthiness Advisory Circular No. 62 dated March 1972.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, mandates the installation of safety harnesses in front (pilot) seats of all models within the Short SC7 (Skyvan) Series Aeroplanes. This requirement is outlined in Airworthiness Directive AD/SC7/9, which stipulates that each front seat restraint installation must be modified to fit a safety harness approved by the Secretary. These modifications must be completed before 1 January 1974 to ensure compliance with the Civil Aviation Safety Authority's standards. While the regulation applies to all models within the specified series, it does not explicitly state exclusions or exemptions, thereby encompassing all relevant aircraft and operators within the Commonwealth of Australia. Additionally, any further guidelines for the installation schemes can be found in Airworthiness Advisory Circular No. 62 dated March 1972.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, mandate the installation of safety harnesses in the front (pilot) seats of Skyvan series aeroplanes (AD/SC7/9). Section 11/72 requires that all models of this aircraft type must have their front seat restraint installations modified to include a safety harness. This modification must be carried out according to a scheme that has been approved by the Secretary. The guidelines for these installation schemes are detailed in Airworthiness Advisory Circular No. 62, dated March 1972. Compliance with this directive is mandatory, and all modifications must be completed before 1 January 1974. The obligations imposed by this regulation are clear and directive. All operators of Skyvan series aeroplanes must ensure that the front seat restraint installations are modified to include a safety harness. This modification must be done in accordance with an approved installation scheme, which is set out in the referenced advisory circular. Failure to comply with these requirements could result in the aircraft not meeting airworthiness standards, potentially leading to operational issues and safety risks. In the event of non-compliance with these provisions, there are potential consequences. The Act does not explicitly state the specific offences, penalties, or consequences for breaching these requirements. However, non-compliance with airworthiness directives generally can lead to serious civil and criminal repercussions. In the broader context of aviation safety regulations, failure to comply with mandatory directives can result in fines, suspension of the aircraft’s operating certificate, and even criminal charges for those responsible. The severity of the penalties can vary, but they are designed to ensure that all safety measures are adhered to strictly.