COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 76 (Duchess) Series Aeroplanes
AD/BEECH 76/6 Wing Spar Centre Splice Plates 10/79
Applicability: All model 76 with S/Nos. ME-1 to ME-6, ME-8 to ME-185. Requirement: Action in accordance with Beechcraft SI No. 1071.
Compliance: Unless already accomplished, within 100 hours’ time in service after 31 October 1979.
Background: The wing spar splice plates may have been marked with a scriber during aircraft manufacture.
Overview
The Civil Aviation Regulations 1998 (Cth) is a comprehensive regulatory framework governing the safe and efficient operation of civil aviation in Australia. Enacted by the Australian Parliament, this legislation aims to ensure the safety and reliability of civil aircraft, thereby protecting the public and maintaining the integrity of the aviation industry. Part 39 - 105 of the regulations includes specific Airworthiness Directives, such as AD/BEECH 76/6 concerning the Beechcraft 76 (Duchess) series aeroplanes. This directive addresses the potential issue of wing spar centre splice plates being marked with a scriber during manufacturing, which could compromise the structural integrity of the aircraft. The policy objective is to mandate specific actions to rectify this issue, ensuring that affected aircraft meet the required safety standards and thus contribute to the overarching goal of maintaining the highest safety standards in Australian civil aviation.
The Civil Aviation (Safety) Act 1998 (Cth) underpins the regulatory framework set out in the Civil Aviation Regulations 1998. This act empowers the Civil Aviation Safety Authority (CASA) to issue and enforce airworthiness directives, such as AD/BEECH 76/6, which requires certain actions to be taken on specific aircraft models to address identified safety concerns. In this instance, the directive mandates compliance within 100 hours’ time in service after 31 October 1979, for all model 76 Duchess aeroplanes with specific serial numbers. The directive aims to ensure that the identified safety issue is resolved, thus protecting the operational safety and reliability of these aircraft.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, applies to all Beechcraft 76 (Duchess) Series Aeroplanes with serial numbers ranging from ME-1 to ME-6, and from ME-8 to ME-185. This regulation mandates compliance with the specific Airworthiness Directive (AD) concerning the wing spar centre splice plates, which necessitates actions in accordance with Beechcraft Service Information No. 1071. The requirement must be met within 100 hours’ time in service following 31 October 1979, unless the specified actions have already been carried out. This regulation operates under the authority of the Civil Aviation Safety Authority and has a direct impact on the maintenance and safety protocols for the specified aircraft models, ensuring adherence to the prescribed safety standards in the aviation industry. The geographic reach of this regulation is national, applying to all aircraft within Australia, and it does not include any stated exclusions, exemptions, or thresholds beyond those specified in the regulation itself.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes Airworthiness Directives (ADs) that govern the maintenance and operation of certain aircraft to ensure their continued airworthiness. One such AD, AD/BEECH 76/6, pertains to the Beechcraft 76 (Duchess) Series aeroplanes and requires action regarding the wing spar centre splice plates (Section 105). This directive applies to all model 76 with serial numbers ranging from ME-1 to ME-6, and ME-8 to ME-185 (Section 10/79). The requirement outlined in this AD mandates that the action must be taken in accordance with Beechcraft Service Instruction No. 1071.
Compliance with AD/BEECH 76/6 is critical for the continued safe operation of the affected aircraft. Operators must ensure that the specified action is completed unless it has already been accomplished (Section 105). The compliance period is defined as within 100 hours of time in service following 31 October 1979 (Section 10/79). This timeframe provides a clear window for operators to address the directive, ensuring that any necessary repairs or modifications are made promptly. The directive's focus on the wing spar splice plates is based on potential manufacturing issues, where these parts may have been marked with a scriber during the aircraft's production. Such markings could potentially compromise the structural integrity of the wing spar, necessitating corrective action.
Operators of the affected Beechcraft 76 aeroplanes must adhere to the requirements set forth in the AD/BEECH 76/6 directive. This includes conducting the specified action in accordance with Beechcraft Service Instruction No. 1071 and ensuring that the directive is complied with within the stipulated timeframe of 100 hours of time in service after 31 October 1979. Failure to comply with this AD could result in serious safety implications, as the structural integrity of the wing spar may be compromised, potentially leading to catastrophic failure during flight.
Non-compliance with the AD/BEECH 76/6 directive could result in severe consequences. While the specific penalties for breach are not detailed in the text, it is understood that breaches of Civil Aviation Regulations can lead to significant civil or criminal penalties. These may include fines, imprisonment, or both, depending on the severity and impact of the breach. Additionally, the Civil Aviation Safety Authority (CASA) has the authority to take enforcement actions, such as grounding the aircraft, suspending the airworthiness certificate, or imposing other restrictions to ensure compliance. Ensuring adherence to ADs is crucial for maintaining the highest standards of safety and airworthiness in the aviation industry.