Overview

The Civil Aviation Regulations 1998 (CAR 1998) were enacted to ensure the safety of civil aviation operations in Australia. This legislation provides a comprehensive regulatory framework governing various aspects of civil aviation, including aircraft maintenance, operations, and airworthiness. The CAR 1998 aims to address the safety concerns and regulatory gaps identified in the aviation industry, ensuring that all civil aviation activities comply with stringent safety standards. The Civil Aviation Safety Authority (CASA) is the body responsible for enforcing these regulations and issuing Airworthiness Directives (AD) to mitigate identified safety risks. In the context of the AD/BELL 206/145, CASA issued this directive to address safety concerns related to the loss of the central balance weight in the tail rotor blades of certain helicopters, ensuring the continued airworthiness of affected aircraft.

Scope and Application

This Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998 applies to all Agusta-Bell AB206A and AB206B helicopters, as well as Bell Helicopter Textron Canada 206 series helicopters, equipped with tail rotor blade part number 206-016-201 (all dash numbers) and having accumulated less than 25 flight hours. The directive mandates specific actions to address the risk of the loss of the central balance weight installed at the tip of the affected tail rotor blades, as outlined in Agusta Bollettino Technico 206-234 dated 10 August 2000. The directive was issued in response to two reported cases of such losses and requires compliance before further flight after 18 August 2000. The AD becomes effective on the date of its publication, 18 August 2000, and was notified in the Commonwealth of Australia Gazette on the same date. The scope of the AD is limited to the specified aircraft and flight hour threshold, and it does not extend to other types of aircraft or those that have already exceeded the specified flight hour limit.

Key Provisions

The Civil Aviation Regulations 1998, specifically in Part 39 - 105, contain an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) for Bell Helicopter Textron Canada (BHTC) and Agusta Bell 206 series helicopters. This directive, AD/BELL 206/145, pertains to tail rotor blades part number 206-016-201. The directive applies to all Agusta-Bell AB206A and AB206B helicopters, as well as all Bell Helicopter Textron Canada 206 series helicopters equipped with the specified tail rotor blade and having accumulated less than 25 flight hours (sections 1 and 2). The action required is to follow the instructions in Agusta Bollettino Technico 206-234, dated 10 August 2000, and the directive references RAI AD 2000-394 (section 3). The AD imposes specific obligations on the operators and owners of the affected helicopters. They are required to take the necessary action in accordance with the Bollettino Technico 206-234, which includes a radiographic inspection if the helicopter is affected. This compliance must occur before further flight after 18 August 2000, as specified in the requirement document (section 4). This directive is effective from 18 August 2000, and the directive was notified in the Commonwealth of Australia Gazette on the same date. Failure to comply with this Airworthiness Directive could result in serious safety issues, as the directive was issued in response to reports of the loss of the central balance weight installed at the tip of the affected tail rotor blades. While the specific penalties or consequences for non-compliance are not detailed in this AD, non-compliance with ADs generally could lead to civil or criminal penalties, depending on the severity of the breach. These could include fines, imprisonment, or both, as outlined in the Civil Aviation Act 1988 and associated regulations. Operators and owners are therefore required to ensure strict adherence to the AD to avoid any potential legal ramifications.