COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters
AD/BELL 206/47
Amdt 1
Hydraulic Servo Actuator Piston
P/N 41000005 - Inspection and Replacement
8/73
Applicability: All models equipped with Servo actuators P/N 206-076- 031-5 (41103730) S/N 8383
or 9318 and 206-076-031-7 (41000670) S/N 1422 to 1673.
Document: Bell SB No. 206-06-73-1 Rev. A.
Compliance: For Part 1 of SB 206-06-73-1 Rev. A: At the next daily or overnight inspection after 9 May 1973 and thereafter at intervals not exceeding 100 hours time in service until affected servo actuators are replaced or reworked.
For Part 2 of SB 206-06-73-1 Rev. A: At each daily or overnight inspection after 9 May 1973 until affected servo actuators are replaced or reworked.
Background: AD/Agusta 206/34A equivalent.
Overview
The Civil Aviation Regulations 1998, enacted by the Commonwealth of Australia, is designed to ensure the safety of civil aviation within Australian airspace. Part 39, which includes the 105 Civil Aviation Safety Authority Schedule of Airworthiness Directives, focuses on the continuous maintenance and safety oversight of aircraft, including the regulation of airworthiness directives for specific aircraft models. This legislative instrument addresses gaps in the maintenance and operational safety of particular aircraft by mandating specific inspections, repairs, or replacements to ensure that they meet safety standards. The policy objective of these regulations is to minimise risks associated with aircraft operations, thereby protecting the public and enhancing the overall safety of civil aviation.
One such airworthiness directive pertains to Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters, specifically addressing the hydraulic servo actuator piston P/N 41000005. This directive, identified as AD/BELL 206/47 Amendment 1, requires the inspection and replacement of certain servo actuators to prevent potential mechanical failures. The directive applies to all models equipped with specific serial numbers and mandates compliance with the manufacturer's service bulletin SB 206-06-73-1 Rev. A, ensuring that inspections are conducted at regular intervals to maintain the airworthiness of these helicopters. This directive is essential in maintaining the integrity and safety of the aircraft, thereby contributing to the overarching goal of the Civil Aviation Regulations 1998 to safeguard civil aviation.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, addresses the applicability and compliance requirements for the Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters with respect to the hydraulic servo actuator piston. This regulation applies to all models equipped with specific servo actuators P/N 206-076-031-5 (41103730) S/N 8383 or 9318 and 206-076-031-7 (41000670) S/N 1422 to 1673. The regulatory scope encompasses the inspection and replacement of these parts to ensure airworthiness. The compliance directives are clear: for Part 1 of Service Bulletin 206-06-73-1 Rev. A, inspections must occur at the next daily or overnight inspection after 9 May 1973 and subsequently at intervals not exceeding 100 hours in service until the affected servo actuators are replaced or reworked. For Part 2 of the same bulletin, inspections are mandated at each daily or overnight inspection after 9 May 1973 until the actuators are addressed. This regulation has a national reach within the Commonwealth of Australia and is enforced by the Civil Aviation Safety Authority (CASA).
Key Provisions
The Civil Aviation Regulations 1998, specifically PART 39 - 105, includes the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives that cover the Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters. This directive, AD/BELL 206/47 Amendment 1, concerns the hydraulic servo actuator piston parts numbered 41000005, focusing on their inspection and replacement (sections 39-105). This directive applies to all models equipped with specific servo actuators part numbers 206-076-031-5 (41103730) with serial numbers 8383 or 9318 and 206-076-031-7 (41000670) with serial numbers ranging from 1422 to 1673.
The main requirement of this directive is that inspections and necessary replacements of the affected servo actuators must be conducted at specific intervals. According to Part 1 of Service Bulletin (SB) 206-06-73-1 Rev. A, inspections must occur at the next daily or overnight inspection following 9 May 1973 and continue at intervals not exceeding 100 hours of time in service until the affected servo actuators are either replaced or reworked. For Part 2 of the same service bulletin, inspections must take place at each daily or overnight inspection after 9 May 1973 until the servo actuators are addressed.
The obligations imposed by this directive include ensuring that the specified inspections and any necessary maintenance actions are meticulously carried out. Operators and maintainers must comply with the inspection intervals and any remedial actions identified in the service bulletin. This compliance ensures that the hydraulic servo actuator pistons remain in an airworthy condition, mitigating risks associated with potential failures. All activities must be documented in accordance with the regulatory requirements to maintain a clear audit trail.
Failure to comply with these airworthiness directives can result in serious consequences. While the specific penalties are not detailed in the text, non-compliance with Civil Aviation Regulations can generally lead to enforcement actions by CASA, which may include fines, suspension, or revocation of airworthiness certificates. Additionally, there may be civil or criminal liabilities under other related aviation laws, depending on the severity of the breach and its impact on aviation safety.