AD/DC4/10 - Hydraulic Accumulator - Replacement

Overview

The Civil Aviation Regulations 1998, as amended by F2006B08815, specifically address the maintenance and operational standards for Douglas DC4 series aeroplanes, focusing on the replacement of hydraulic accumulators as outlined in the Airworthiness Directives AD/DC4/10. This legislative instrument was enacted to ensure the continued safety and reliability of civil aviation operations by mandating specific maintenance actions for older aircraft models, which are critical in mitigating potential hazards associated with hydraulic system failures. The policy objective is to align Australian aviation standards with international safety practices, thereby enhancing the overall safety of air travel. Enacted by the Commonwealth of Australia, the regulations are administered by the Civil Aviation Safety Authority, which is tasked with enforcing compliance to safeguard public safety and the integrity of civil aviation operations.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, addresses the application of Airworthiness Directives for the Douglas DC4 series aeroplanes, focusing on the requirement to replace hydraulic accumulators as outlined in AD/DC4/10. This regulation applies to all persons or entities operating Douglas DC4 series aeroplanes within Australia and its territories. The primary focus is on the maintenance and airworthiness of these aircraft, ensuring that they meet the specified safety standards. This directive applies regardless of the aircraft's registration status, whether it is privately owned, leased, or operated by an airline. The scope of this regulation extends nationally, covering all operators within the Commonwealth of Australia. Notably, this directive does not apply to any other aircraft type beyond the Douglas DC4 series. The application of this directive can be further extended or modified through subordinate instruments issued by the Civil Aviation Safety Authority.

Key Provisions

The Civil Aviation Regulations 1998, specifically under Part 39 - 105, mandate the replacement of hydraulic accumulators for Douglas DC4 Series aeroplanes, as outlined in Airworthiness Directive AD/DC4/10. The directive requires that hydraulic accumulators (section 1) be replaced in compliance with either the Douglas SB (DC4) No. 9 dated 13 December 1946, the FAA AD 47-2-3, or the ANO 105.1.16.2.5.9, Issue 2. This directive ensures that the aircraft's hydraulic system components meet current safety standards to prevent potential failures that could compromise flight safety. Entities and individuals governed by this Act, including aircraft owners, operators, and maintenance providers, are obligated to adhere to the stipulations set forth in AD/DC4/10. This includes the timely inspection, testing, and replacement of hydraulic accumulators as necessary. The directive imposes a clear requirement to ensure that all maintenance actions are documented, and the aircraft is returned to service only after all necessary modifications have been completed and verified by an authorised personnel. Non-compliance with these provisions can lead to serious safety risks and potential regulatory action. Failure to comply with the requirements of AD/DC4/10 can result in significant legal and operational consequences. Under the Civil Aviation Act 1988, non-compliance may be classified as an offence, potentially leading to prosecution. In cases of civil enforcement, penalties can include substantial fines, and in the most severe cases, aircraft may be grounded until the required modifications are made. Additionally, operators found to be in breach of these safety directives may face reputational damage and loss of confidence from regulatory bodies, passengers, and other stakeholders. The exact penalties for non-compliance are detailed in the relevant sections of the Civil Aviation Regulations 1998, with maximum penalties often reflecting the severity of the breach and its potential impact on aviation safety.