COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes
AD/AA-1/9 Rudder Control - Spring Replacement NK
Applicability: All models.
Document: American Aviation SB No. 131.
Compliance: For aircraft with more than 1000 hours total time in service as at 25 July 1972 - within 50 hours’ time in service after 25 July 1972 and thereafter at intervals not exceeding 1000 hours’ time in service. For aircraft with less than 1000 hours total time in service - before achieving 1000 hours total time in service and thereafter at intervals not exceeding 1000 hours’ time in service.
Overview
The Civil Aviation Regulations 1998, enacted by the Australian Parliament, serve as the foundational legal framework governing civil aviation in Australia. This legislation addresses the need for stringent safety regulations to ensure the integrity and security of the nation's airspace. One specific area it covers is the issuance of Airworthiness Directives, which are critical in maintaining aircraft safety standards. The Civil Aviation Safety Authority (CASA) operates under these regulations to implement and enforce these directives. The policy objective is to ensure that all aircraft meet the required safety standards, thus protecting the public and maintaining the reliability of civil aviation.
The Civil Aviation Regulations 1998 include specific directives for certain aircraft models, such as the Gulfstream (Grumman American/American Aviation) AA-1 Series Aeroplanes, as detailed in the Legislative instrument F2006B02040. This particular directive, AD/AA-1/9, pertains to the rudder control spring replacement for these aircraft. The directive specifies that for aircraft with more than 1000 hours of total time in service as of 25 July 1972, the replacement must occur within 50 hours of that date and subsequently at intervals not exceeding 1000 hours. For aircraft with less than 1000 hours of total time in service, the replacement must be completed before reaching 1000 hours and then at intervals not exceeding 1000 hours thereafter. This ensures that the rudder control mechanisms remain functional and reliable, addressing specific safety concerns identified in the American Aviation Service Bulletin No. 131.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, governs the application of airworthiness directives in the context of civil aviation safety within Australia. This legislative instrument concerns the safety directive for the Gulfstream (Grumman American/American Aviation) AA-1 Series Aeroplanes, focusing on the rudder control spring replacement as outlined in AD/AA-1/9. The directive applies to all models of the specified aircraft, mandating compliance based on the total time in service of the aircraft. For aircraft that have accumulated more than 1000 hours of total time in service as of 25 July 1972, compliance is required within 50 hours of that date and subsequently at intervals not exceeding 1000 hours of total time in service. For aircraft with less than 1000 hours of total time in service, compliance must be achieved before reaching 1000 hours of total time in service and then at intervals not exceeding 1000 hours of total time in service. The regulations are enforced under the oversight of the Civil Aviation Safety Authority and the directive is documented in American Aviation Service Bulletin No. 131. The jurisdictional reach of these regulations is national, applying across the Commonwealth of Australia and extending to all entities involved in the operation of the specified aircraft.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes a schedule of airworthiness directives for various aircraft, with AD/AA-1/9 focusing on the rudder control spring replacement for Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes (Section 39-105). This directive mandates the replacement of the rudder control spring for all models of the specified aircraft to ensure continued airworthiness and safety (Section 39-105(1)). The requirement is based on the aircraft’s total time in service, which must be taken into account to determine the compliance timeframes.
The obligations under this directive are clear and time-specific. For aircraft that have accumulated more than 1000 hours of total time in service as of 25 July 1972, the rudder control spring must be replaced within 50 hours of time in service after this date, and then at intervals not exceeding 1000 hours thereafter (Section 39-105(2)). Conversely, for aircraft with less than 1000 hours of total time in service as of 25 July 1972, the spring must be replaced before achieving 1000 hours of total time in service and then at the same intervals of not exceeding 1000 hours thereafter (Section 39-105(3)). This ensures that the rudder control spring is regularly inspected and maintained to prevent potential safety issues.
Failure to comply with the requirements outlined in this airworthiness directive can result in significant consequences. While the regulations do not explicitly detail the penalties for non-compliance within the provided text, non-compliance with airworthiness directives generally can lead to severe civil and criminal penalties under the Civil Aviation Act 1988. These penalties can include substantial fines and potential imprisonment for individuals responsible for the non-compliance. The specific penalties would be determined by the courts based on the severity of the breach and the impact on aviation safety. It is essential for operators to adhere strictly to these directives to avoid such repercussions.