COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bell Helicopter Textron 47 (All Variants) Series Helicopters
AD/BELL 47/80
Amdt 3
Main Rotor Head Counterweight Rod 10/86
Applicability: All models 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G- 3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47J, 47J-2, and 47J-2A.
Document: Bell ASB No. 47-78-2, Rev. B. Kawasaki-Bell KSB-Bell 348A.
Compliance: Within 100 hours time in service after 31 October 1982, and thereafter at periods not exceeding 300 hours time in service.
Background: Service experience indicates the need to reduce the inspection periods for counterweight rods. This Directive has been amended to include Kawasaki-Bell helicopters.
Overview
The Civil Aviation Regulations 1998, as amended by the Civil Aviation (Bell Helicopter Textron 47 (All Variants) Series Helicopters) Amendment (Main Rotor Head Counterweight Rod) Instrument 2006, was enacted to address safety concerns specifically related to the main rotor head counterweight rods of Bell Helicopter Textron 47 series helicopters. This legislative instrument, issued under the authority of the Civil Aviation Act 1988, aims to ensure the safety of air operations by reducing the inspection periods for these critical components. The policy objective is to enhance aviation safety by mandating timely inspections of the counterweight rods, thereby mitigating potential risks associated with their failure. The Australian Government, through the relevant legislature, introduced this regulation to maintain high safety standards within the civil aviation industry, ensuring that aircraft meet stringent safety requirements and are operated with minimal risk.
Scope and Application
The Civil Aviation Regulations 1998, under Part 39, mandate specific airworthiness directives for aviation safety, with a particular focus on certain helicopter models in this case. Specifically, Airworthiness Directive AD/BELL 47/80 Amendment 3 pertains to the main rotor head counterweight rod for Bell Helicopter Textron 47 series helicopters, including all variants such as 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47J, 47J-2, and 47J-2A, as well as Kawasaki-Bell helicopters. The directive requires compliance within 100 hours of time in service after 31 October 1982 and mandates further inspections at intervals not exceeding 300 hours of time in service. This regulation is instrumental in ensuring that the specified helicopters maintain their airworthiness standards as per the directives issued by the Civil Aviation Safety Authority. The regulation applies nationwide and is enforceable across the Commonwealth of Australia, ensuring that all entities operating these helicopters adhere to the stipulated safety protocols.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, outlines the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives for Bell Helicopter Textron 47 (All Variants) Series Helicopters, including the AD/BELL 47/80 Amendment 3 concerning the Main Rotor Head Counterweight Rod. This directive applies to all specified models of Bell 47 helicopters, including variants like 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47J, 47J-2, and 47J-2A, as well as Kawasaki-Bell helicopters like the 348A. The directive mandates compliance within 100 hours of time in service after 31 October 1982 and subsequently at intervals not exceeding 300 hours of time in service.
Operators of the affected helicopters must ensure compliance with the stipulated inspection periods for the main rotor head counterweight rods. This requirement is critical to maintaining the airworthiness of the aircraft, as it addresses potential service issues identified through operational experience. The directive references Bell ASB No. 47-78-2, Rev. B, and Kawasaki-Bell KSB, which detail the necessary inspection procedures and criteria for ensuring the counterweight rods are within acceptable limits.
Failure to comply with these airworthiness directives can result in significant consequences. The regulations impose strict obligations on helicopter operators to adhere to the prescribed inspection schedules and ensure that any necessary repairs or replacements are made in a timely manner. Non-compliance with these directives may lead to enforcement actions by CASA, which could include fines, suspension or revocation of airworthiness certificates, and other regulatory penalties.
In terms of enforcement and penalties, the Civil Aviation Regulations 1998 provide for both civil and criminal consequences for non-compliance. Civil penalties may include fines up to $126,000 for individuals and $630,000 for corporations, as per the applicable provisions in the Civil Aviation Act 1988. Furthermore, operators found in breach of airworthiness directives may face criminal charges, which could result in imprisonment for individuals, highlighting the seriousness with which CASA treats non-compliance with these critical safety measures.