AD/HU 269/64 Amdt 1 - Tail Rotor Assembly - Component Replacement, Inspection and Revised Assembly Procedures

Overview

The Civil Aviation Regulations 1998, as amended by the Legislative Instrument F2006B10624, specifically within Part 39 - 105, address the need for comprehensive safety measures and regulatory oversight in the aviation industry. This Act was introduced to ensure that civil aviation operations in Australia adhere to stringent safety standards, particularly focusing on the airworthiness of aircraft. The enactment was overseen by the Australian Parliament, aiming to mitigate safety risks and enhance the overall reliability of civil aviation through detailed regulatory frameworks. This legislative instrument targets Schweizer (Hughes) 269 Series Helicopters, mandating the replacement, inspection, and revised assembly procedures for the tail rotor assembly as outlined in the AD/HU 269/64 Amendment 1. The directive applies to all models referenced in Hughes SIN No. N-155.2 and requires compliance within 100 hours of total time in service after 31st October 1983. The policy objective is to ensure that these helicopters maintain operational safety standards, thereby reducing the likelihood of accidents and improving flight safety.

Scope and Application

The Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998, specifically in Part 39, has issued an Airworthiness Directive (AD) targeting Schweizer (Hughes) 269 Series Helicopters. The directive, identified as AD/HU 269/64 Amendment 1, pertains to the tail rotor assembly and mandates component replacement, inspection, and revised assembly procedures. This directive applies to all models as detailed in Hughes Service Information Notice (SIN) No. N-155.2. Compliance with this directive is required unless the specified actions have already been completed within 100 hours of total time in service (TIS) after 31st October 1983. The directive extends its regulatory scope to ensure the continued airworthiness of these helicopter models by addressing identified safety issues through the specified maintenance actions. The applicability of this directive is enforced within the Commonwealth of Australia, thereby encompassing all relevant entities and operators within the national jurisdiction.

Key Provisions

The Civil Aviation Regulations 1998, Part 39 - 105, establishes the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, specifically AD/HU 269/64 Amendment 1, concerning the Schweizer (Hughes) 269 Series Helicopters. This directive, outlined in Hughes SIN N-155.2, mandates the replacement, inspection, and revised assembly procedures for the tail rotor assembly on all models referenced in Hughes SIN No. N-155.2 (section 39-105). Compliance with these directives is required unless the specified actions were already completed within 100 hours of Total Installation Time (TIS) after 31st October, 1983. The directive aims to reflect the increased applicability of models and components as referenced in the revised requirement document. The obligations under AD/HU 269/64 Amendment 1 primarily rest on the helicopter operators and maintenance personnel. Operators must ensure that the tail rotor assembly on Schweizer (Hughes) 269 Series helicopters is inspected, replaced, or reassembled according to the prescribed procedures if it has not already been done within 100 hours TIS after the specified date. This requirement is non-negotiable and must be adhered to for all applicable models to maintain airworthiness and comply with CASA regulations. Failure to comply with AD/HU 269/64 Amendment 1 can result in severe civil and criminal consequences. Non-compliance may lead to the grounding of the affected aircraft until the required actions are taken. Additionally, operators and maintenance personnel could face legal action under the Civil Aviation Act 1988. The penalties for non-compliance can include substantial fines and, in more severe cases, imprisonment. The exact penalties are determined by the severity of the breach and the discretion of the court, but they are designed to enforce strict adherence to safety directives issued by CASA.