AD/PA-23/77 Amdt 1 - Forward Baggage Door Locking System - Inspection and Modification

Overview

The Civil Aviation Regulations 1998, specifically Part 39 - 105, addresses safety concerns within the aviation sector by setting forth mandatory airworthiness directives. One such directive, AD/PA-23/77 Amendment 1, pertains to the forward baggage door locking system inspection and modification for Piper PA-23 (Apache and Aztec) series aeroplanes, with serial numbers between 27-2000 and 27-7954032. This directive was enacted to ensure that the aeroplanes comply with the updated safety standards outlined in Piper Service Bulletin No. 604A. The Civil Aviation Safety Authority, established under the Civil Aviation Act 1988, is the body responsible for implementing these regulations with the overarching policy objective of maintaining the highest standards of aviation safety in Australia. Compliance with this directive is required within 100 hours of time in service following 31 August 1979, ensuring that the aircraft meet the necessary safety requirements to operate within Australian airspace.

Scope and Application

The Civil Aviation Safety Authority (CASA) regulates the safety standards for aviation activities in Australia through the Civil Aviation Regulations 1998. Specifically, Part 39 - 105 of the Civil Aviation Regulations 1998 pertains to Airworthiness Directives, with Amendment 1 focusing on the forward baggage door locking system inspection and modification for Piper PA-23 (Apache and Aztec) Series aeroplanes. This regulation applies to all model PA-23-250 aircraft with serial numbers ranging from 27-2000 to 27-7954032. The directive requires compliance within 100 hours of time in service after 31 August 1979. Notably, aeroplanes modified under Piper Service Bulletin No. 604 do not meet the requirements of the subsequent Service Bulletin No. 604A. The applicability of this legislation is strictly within the Commonwealth of Australia, ensuring that all aircraft operating under Australian jurisdiction adhere to these safety standards.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, contains the Civil Aviation Safety Authority Schedule of Airworthiness Directives, which includes AD/PA-23/77 Amendment 1 concerning the forward baggage door locking system of Piper PA-23 (Apache and Aztec) Series Aeroplanes. This directive applies to all model PA-23-250 with serial numbers (S/Nos.) ranging from 27-2000 to 27-7954032. The directive references Piper Service Bulletin No. 604A, and it is essential to note that aeroplanes modified to Service Bulletin No. 604 do not comply with the requirements of Service Bulletin No. 604A. The key requirement under this directive is that the inspection and modification of the forward baggage door locking system must be completed within 100 hours of time in service after 31 August 1979. This ensures that the locking systems of the affected aeroplanes meet the necessary safety standards set forth by the Civil Aviation Safety Authority. The compliance must be evidenced by adhering to the guidelines provided in the referenced Piper Service Bulletin No. 604A. The obligations imposed by this directive are primarily on the operators and owners of the affected Piper PA-23 (Apache and Aztec) aeroplanes. They must ensure that the required inspections and modifications to the forward baggage door locking system are conducted in accordance with the specified timeline. This involves coordinating with authorised personnel or maintenance providers to carry out the necessary work and documenting the compliance in accordance with the regulations. Failure to comply with AD/PA-23/77 Amendment 1 may result in serious safety implications and potential regulatory action. Although the specific penalties are not detailed in the excerpt, non-compliance with airworthiness directives generally can lead to civil or criminal penalties. These may include fines, operational restrictions, or even the grounding of the aircraft until the required modifications are completed. The severity of the penalties is determined by the nature and extent of the non-compliance and any resultant safety risks.