AD/RAD/13 Amdt 1 - VHF Transceiver Circuit Protection - Modification

Overview

The Civil Aviation Safety Authority (CASA) has issued the Civil Aviation Regulations 1998, which are designed to ensure the safety of all aviation activities within Australia. One such regulation, Part 39 - 107, specifically addresses Airworthiness Directives for radio communication and navigation equipment. The legislative instrument F2006B06479, an amendment to AD/RAD/13, was introduced to address a safety gap concerning the vulnerability of VHF transceivers to electrical faults. The problem identified was the inadequate circuit protection in certain Rexair VTR-5 series Transceivers, which could potentially lead to equipment failure and compromise flight safety. The objective of this amendment is to ensure that all wiring between the control unit and the transceiver of the specified equipment is adequately protected against electrical faults, thereby mitigating the risk of in-flight communication failures. Compliance with this directive is mandatory, with an enforcement deadline set before 1 March 1966.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 under Schedule of Airworthiness Directives, apply to ensuring the safety and airworthiness of aircraft in Australia. This particular Airworthiness Directive, AD/RAD/13 Amendment 1, pertains to Rexair VTR-5 series Transceivers that have interwiring looms supplied by Rex Aviation. The directive mandates that modifications be made to these transceivers to provide adequate circuit protection for all wiring between the control unit and the transceiver. This requirement can be met by implementing Rex Aviation Design Change No. 7, which includes the incorporation of a 5 amp fuse in the control unit. The directive applies to these specific aircraft components and requires compliance by 1 March 1966. The regulation’s jurisdictional reach is national, overseen by the Civil Aviation Safety Authority, ensuring that all aircraft meeting the specified criteria are modified to meet the outlined safety standards. There are no stated exclusions or exemptions in the directive, and compliance is mandatory for the specified equipment.

Key Provisions

The Civil Aviation Regulations 1998, specifically in Part 39 - 107, under the Civil Aviation Safety Authority Schedule of Airworthiness Directives, contain detailed provisions concerning the modification of radio communication and navigation equipment for aircraft. One such provision is AD/RAD/13 Amendment 1, which applies to the Rexair VTR-5 series transceivers installed with interwiring looms supplied by Rex Aviation (section 10/65). This directive requires the modification of the interwiring or equipment to ensure adequate circuit protection for all wiring between the control unit and the transceiver. The specific requirement can be met by incorporating Rex Aviation Design Change No. 7, which includes the installation of a 5-amp fuse in the control unit. The obligations imposed by this directive are clear and precise. Owners and operators of aircraft equipped with the specified transceivers must modify the interwiring or equipment to meet the outlined requirement before a specified deadline, in this case, before 1 March 1966 (section 10/65). This compliance date provides a timeframe within which the necessary modifications must be implemented to ensure the safety and airworthiness of the aircraft. Failure to comply with the requirements set forth in AD/RAD/13 Amendment 1 can result in significant legal and operational consequences. The Civil Aviation Regulations 1998 outline potential penalties and consequences for non-compliance, which may include civil or criminal charges. The specific penalties can vary based on the severity and nature of the breach, but they may include fines, enforcement actions, or other regulatory measures designed to ensure adherence to aviation safety standards. It is imperative for all stakeholders to be aware of these potential repercussions and to ensure full compliance to avoid any adverse effects on their operations.