AD/DH 104/28 - Engine Mounting Attachment Fittings - Inspection

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, represent a comprehensive legal framework designed to ensure the safety and efficiency of civil aviation within the country. One aspect of this regulatory regime is captured in Part 39 - 105, which includes specific airworthiness directives aimed at maintaining the highest safety standards for various aircraft models. Among these directives is AD/DH 104/28 concerning the inspection of engine mounting attachment fittings on DH 104 (Dove) Series Aeroplanes. This directive, applicable to all models and referencing Hawker Siddeley TNS CT(104) No. 226, was introduced to address potential safety issues that could arise from inadequate inspection practices, particularly those needing compliance before 1 April 1972. The overarching policy objective of these regulations is to ensure that all civil aviation operations meet stringent safety standards, thereby protecting the public and maintaining the integrity of the national airspace.

Scope and Application

The Civil Aviation Regulations 1998, under PART 39 - 105, pertain to the Civil Aviation Safety Authority’s Schedule of Airworthiness Directives for the de Havilland DH 104 (Dove) Series aeroplanes, specifically addressing engine mounting attachment fittings through AD/DH 104/28. This regulation applies to all models of the Dove series aeroplanes and mandates an inspection of the engine mounting attachment fittings. Compliance with this directive must be achieved before 1 April 1972, as outlined in Hawker Siddeley Technical Notice CT(104) No. 226. The Act applies to all entities and persons operating these aircraft, ensuring adherence to safety standards set by the Civil Aviation Safety Authority, which has jurisdiction across the Commonwealth of Australia. The regulation does not explicitly mention exclusions, exemptions, or thresholds, though further details might be specified in subordinate instruments that extend or clarify the application of this directive.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, contain detailed provisions regarding airworthiness directives for certain aircraft types. In this context, AD/DH 104/28 pertains to the inspection of engine mounting attachment fittings for all models of the Dove series aeroplanes (section 12/71). This directive requires the inspection of these fittings in accordance with the Hawker Siddeley TNS CT(104) No. 226 document. Compliance with this directive must be achieved before 1 April 1972. Under this legislation, the entities responsible for ensuring compliance with AD/DH 104/28 are primarily the aircraft operators and maintenance organisations. These entities are mandated to conduct thorough inspections of the specified engine mounting attachment fittings to ensure they meet the stipulated standards. The inspection must be carried out by appropriately certified personnel and documented in the aircraft's maintenance records, ensuring traceability and accountability. Failure to comply with the requirements set forth in AD/DH 104/28 may result in serious repercussions. The Civil Aviation Safety Authority (CASA) has the authority to take enforcement actions against non-compliant aircraft, operators, and maintenance organisations. Such actions could include the issuance of a Notice of Violation, grounding of the aircraft, or in severe cases, the suspension or revocation of the aircraft's airworthiness certificate. Additionally, operators and maintenance personnel found in breach of these regulations may face penalties, including fines and potential criminal charges, depending on the severity of the non-compliance. The maximum penalties are outlined in the regulations and can vary based on the specific nature of the breach.