COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Variable Pitch - Allison/Aeroproducts
AD/PAP/9 Propeller Blades - Inspection 9/80
Applicability: All models A6441 FN-606 and -606A propeller blades.
Requirement: Inspect propeller blades in accordance with Part 2 of Allison CSL 240, Rev. 3. (FAA AD 79-24-07 refers).
Compliance: At periods not exceeding 3250 hours.
Background: The manufacturer has introduced additional blade inspection requirement.
Overview
The Civil Aviation Regulations 1998, enacted by the Commonwealth of Australia, address the need for stringent oversight and safety measures in civil aviation. Specifically, Part 39 - 107 Civil Aviation Safety Authority Schedule of Airworthiness Directives includes Propellers - Variable Pitch - Allison/Aeroproducts AD/PAP/9, which mandates the inspection of propeller blades for particular models. This directive aims to ensure the airworthiness and safety of aircraft by requiring inspections of A6441 FN-606 and -606A propeller blades in accordance with Part 2 of Allison CSL 240, Rev. 3, with compliance expected at intervals not exceeding 3250 hours. The policy objective is to mitigate risks associated with propeller blade failure, thereby enhancing overall aviation safety.
Scope and Application
The Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives within the Civil Aviation Regulations 1998 applies to all models A6441 FN-606 and -606A propeller blades, mandating that these blades undergo inspection in accordance with Part 2 of Allison CSL 240, Rev. 3. This requirement is rooted in FAA AD 79-24-07, which highlights the necessity for regular inspections to ensure airworthiness and safety. Compliance with these directives must be achieved within specific intervals, not exceeding 3250 hours of operation, as stipulated by the manufacturer’s updated inspection protocols. The scope of this legislation is limited to the specified models of propeller blades, and it is enforced to mitigate any safety risks associated with the identified issues in these components. This ensures that the aviation industry maintains high safety standards in alignment with both Australian and international regulatory frameworks.
Key Provisions
The Civil Aviation Regulations 1998, specifically in Part 39, include the Schedule of Airworthiness Directives which addresses the requirements for maintaining the airworthiness of aircraft components. One such directive is AD/PAP/9, which pertains to propeller blades of the Allison/Aeroproducts models A6441 FN-606 and -606A. According to section 9/80 of this directive, these propeller blades must be inspected in accordance with Part 2 of the Allison CSL 240, Revision 3 (section 9/80). This directive references FAA AD 79-24-07 for further guidance on the inspection procedure.
The obligations imposed by AD/PAP/9 (section 9/80) require that the specified propeller blades be inspected at intervals not exceeding 3250 flight hours. This directive ensures that the integrity of the propeller blades is maintained to prevent any potential in-flight failures. Compliance with this directive is mandatory for all operators of aircraft using the affected propeller models, necessitating adherence to the specified inspection protocol to ensure ongoing airworthiness.
Failure to comply with the requirements set out in AD/PAP/9 can lead to serious consequences. The Civil Aviation Safety Authority (CASA) has the authority to enforce these regulations, and non-compliance may result in enforcement actions. The specific penalties or consequences for not adhering to these inspection requirements are not detailed in the provided text, but typically such breaches can lead to enforcement actions, including fines, suspension or revocation of airworthiness certificates, or other regulatory sanctions as deemed appropriate by CASA. Ensuring compliance with these airworthiness directives is critical for the safety and reliability of aircraft operations.