COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Enstrom F-28 Series Helicopters
AD/ENST 28/24 Main Rotor Retention Assembly - Inspection 10/82
Applicability: All model F-28A, F-28C, F-28F, 280, 280C and 280F. Document: Enstrom Service Directive Bulletin No. 0057.
Note: FAA AD 82-16-09 Amdt. 39-4429 refers.
Compliance: Within 100 hours time in service after 31 October 1982, and thereafter at intervals not exceeding 200 hours time in service.
Background: Manufacture reports misalignment of the nylon shims has worn grooves in the inner surfaces of the blade grip.
Overview
The Civil Aviation Regulations 1998, under Part 39 - 105, establishes the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, which includes AD/ENST 28/24 concerning Enstrom F-28 Series Helicopters. This legislation was enacted to address the specific problem of potential misalignment and wear of nylon shims in the main rotor retention assembly of Enstrom F-28 Series helicopters, which could compromise the structural integrity of the blade grip. The aim of this directive is to ensure the safety and airworthiness of these helicopters by mandating regular inspections to detect and rectify any wear and grooves on the inner surfaces of the blade grip, thereby mitigating the risk of failure. The policy objective is to maintain high safety standards within the Australian civil aviation sector, ensuring that all aircraft operate under stringent and regularly updated regulatory requirements.
The regulations were enacted by the Australian Government and implemented by CASA to provide a clear framework for maintaining and ensuring the safety of aircraft. This legislative instrument ensures that all stakeholders in the aviation industry, including operators and maintenance personnel, adhere to the specified inspection intervals and maintenance standards to prevent accidents and ensure the safety of all passengers and crew.
Scope and Application
The Civil Aviation Safety Authority (CASA) Regulations 1998, under PART 39 - 105, specifically addresses the airworthiness directives for Enstrom F-28 Series Helicopters through AD/ENST 28/24, focusing on the inspection of the main rotor retention assembly. This regulation applies to all model F-28A, F-28C, F-28F, 280, 280C, and 280F helicopters. The directive mandates compliance with the inspection requirements detailed in Enstrom Service Directive Bulletin No. 0057, referencing FAA AD 82-16-09 Amendment 39-4429. The purpose of these regulations is to ensure the safety and airworthiness of the helicopters by addressing potential issues such as the misalignment of nylon shims that can cause wear and grooves on the inner surfaces of the blade grip. The inspection must be completed within 100 hours of the helicopter's time in service after 31 October 1982, and subsequently at intervals not exceeding 200 hours. These regulations apply broadly within the Commonwealth, extending to all relevant operators and entities involved in the maintenance and operation of these helicopter models across Australia.
Key Provisions
The main operative sections of the Civil Aviation Regulations 1998, particularly under PART 39 - 105, concern Airworthiness Directives (ADs) and specifically mandate inspections and compliance for certain aircraft models. The regulation in question, AD/ENST 28/24, applies to Enstrom F-28 Series helicopters, including models F-28A, F-28C, F-28F, 280, 280C, and 280F. These helicopters must undergo inspections of the main rotor retention assembly, as outlined in Enstrom Service Directive Bulletin No. 0057, to address potential issues arising from misalignment of nylon shims. Compliance with these directives is crucial for ensuring the continued airworthiness of the aircraft.
Under these regulations, the primary obligation is for operators of the specified Enstrom helicopter models to ensure that inspections of the main rotor retention assembly are performed within 100 hours of time in service following 31 October 1982. This initial inspection is imperative for identifying any wear or damage. Additionally, subsequent inspections must be conducted at intervals not exceeding 200 hours of time in service to maintain ongoing compliance with the AD. These inspections are vital for preventing potential structural failures and ensuring the safety of the aircraft.
Failure to comply with the requirements set forth in AD/ENST 28/24 can result in serious legal and safety consequences. The regulations impose a strict framework where non-compliance can lead to the grounding of the affected aircraft until the necessary inspections are completed and any identified issues are rectified. The severity of the consequences underscores the importance of adhering to the specified inspection intervals and procedures. The regulatory body has the authority to enforce these mandates, ensuring that all aircraft maintain their airworthiness and continue to meet safety standards.
In terms of penalties and consequences, the Civil Aviation Regulations provide for both civil and criminal sanctions for breaches of airworthiness directives. Civil penalties may include fines up to a specified amount, while criminal penalties can result in imprisonment, reflecting the seriousness of non-compliance with safety regulations. The maximum penalties are outlined in the broader regulatory framework, but the specific consequences for failing to comply with AD/ENST 28/24 include potential fines and imprisonment, depending on the severity and impact of the non-compliance. These provisions serve as a deterrent against neglecting critical safety inspections and maintaining the integrity of the aviation safety system.