COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 77 (Skipper) Series Aeroplanes
AD/BEECH 77/6 Engine Mount Assembly to Firewall Attach Bolts 12/80
Applicability: All model 77 with S/Nos. WA-1 to WA-156, WA-158 to WA-161, WA-163 to WA- 171, WA-173, WA-174, WA-177 and WA-178.
Requirement: Action in accordance with Beechcraft SI No. 1153.
Note: FAA AD 80-21-10 refers.
Compliance: Within 25 hours’ time in service after 30 October 1980.
Background: The engine mount assembly attachment bolts and barrel nuts may have threads which were damaged at initial factory installations.
Overview
The Civil Aviation Regulations 1998, specifically under Part 39, were enacted to address safety and operational standards within the civil aviation industry in Australia. This legislative instrument provides a comprehensive framework for ensuring that all civil aviation activities comply with stringent safety requirements. A notable addition to these regulations is the inclusion of Airworthiness Directives, which are designed to mandate specific safety measures to be undertaken by aircraft operators and maintenance providers. These directives are crucial in mitigating risks associated with identified safety issues, thereby enhancing the overall safety of civil aviation.
One such directive, AD/BEECH 77/6, pertains to the engine mount assembly to firewall attach bolts of Beechcraft 77 (Skipper) Series Aeroplanes. This directive was introduced to address a potential safety issue where the threads of the engine mount assembly attachment bolts and barrel nuts may have been damaged during initial factory installation. The directive requires action in accordance with Beechcraft Service Information No. 1153 and mandates compliance within 25 hours’ time in service after 30 October 1980. This proactive approach is intended to ensure that all affected aircraft are maintained to the highest safety standards, thereby protecting both passengers and crew.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 – 105, applies to the Civil Aviation Safety Authority's Schedule of Airworthiness Directives concerning Beechcraft 77 (Skipper) Series Aeroplanes. This regulation is pertinent to all aircraft within the specified Skipper model series, particularly those with serial numbers WA-1 to WA-156, WA-158 to WA-161, WA-163 to WA-171, WA-173, WA-174, WA-177, and WA-178. The regulation mandates compliance with the actions outlined in Beechcraft Service Information No. 1153, referencing FAA AD 80-21-10. The directive requires corrective actions to be taken within 25 hours of the aircraft being in service after 30 October 1980, addressing potential damage to the threads of the engine mount assembly attachment bolts and barrel nuts that may have occurred during initial factory installations. This regulation extends across the Commonwealth of Australia, with its jurisdiction enforced by the Civil Aviation Safety Authority. The regulation does not specify exclusions or exemptions and applies universally to the mentioned serial numbers within the Skipper model series.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, outlines the requirements for airworthiness directives, with AD/BEECH 77/6 being one such directive. This directive (Section 1) applies to Beechcraft 77 (Skipper) series aeroplanes with specific serial numbers, detailing the necessary action concerning the engine mount assembly to firewall attach bolts (Section 2). The directive mandates that the corrective actions be carried out in accordance with Beechcraft Service Instruction No. 1153 and refers to FAA AD 80-21-10 for further reference (Section 3). Compliance with this directive must be achieved within 25 hours’ time in service after 30 October 1980 (Section 4).
The key obligations imposed by this directive are that all specified aircraft models must undergo a thorough inspection and necessary repairs to the engine mount assembly to firewall attach bolts. This includes addressing any damage to the threads of the attachment bolts and barrel nuts, which may have occurred during the initial factory installation. The directive ensures that these repairs are performed in accordance with detailed specifications outlined in Beechcraft Service Instruction No. 1153. Compliance with this directive is mandatory and must be completed within the stipulated timeframe to maintain the airworthiness of the aircraft.
Failure to comply with AD/BEECH 77/6 may result in significant consequences. The Civil Aviation Safety Authority (CASA) enforces these regulations strictly, and non-compliance can lead to severe penalties. For civil aviation, the primary consequence is the potential grounding of the aircraft until the required actions are completed and verified by CASA inspectors. This could result in significant operational disruptions and financial costs for the aircraft operator. Additionally, operators may face enforcement actions, including fines and other regulatory penalties, which are intended to ensure strict adherence to safety standards.
The maximum penalties for non-compliance with airworthiness directives under the Civil Aviation Regulations 1998 can be substantial. For corporate entities, fines can reach up to a significant amount, depending on the severity and frequency of the breach. Individuals responsible for oversight or implementation may also face personal fines and potential criminal charges, especially if the non-compliance results in safety incidents. It is crucial for operators to meticulously follow the directive to avoid these severe consequences and ensure the continued safe operation of their aircraft.