AD/FU24/15 - Main Landing Gear Axle Socket - Inspection

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B09978 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Airparts (NZ) Ltd. FU 24 Series Aeroplanes

 

AD/FU24/15 Main Landing Gear Axle Socket - Inspection 6/68

Applicability: All models except those fitted with disc brakes.

 

Requirement: Inspect visually, the Main Landing Gear Axle Sockets, P/N 245101, for cracks across the lugs containing the lower links.

 

Compliance: At intervals not exceeding 100 hours time in service.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, administered by the Civil Aviation Safety Authority (CASA), is a comprehensive set of regulations designed to ensure the safety and efficiency of civil aviation in Australia. Among these regulations, Part 39 specifically addresses airworthiness directives, including AD/FU24/15 which pertains to the inspection of Main Landing Gear Axle Sockets for the FU 24 Series Aeroplanes manufactured by Airparts (NZ) Ltd. This directive was introduced to address a safety gap identified in the landing gear system of these aircraft, ensuring that cracks in the axle sockets are detected and rectified to prevent potential in-flight failures. The policy objective behind this legislation is to maintain the highest safety standards in civil aviation by mandating regular inspections and timely maintenance of critical aircraft components. Enacted by the Parliament of Australia, the Civil Aviation Regulations 1998 aim to safeguard the public by enforcing stringent airworthiness standards and compliance measures. AD/FU24/15 is a specific directive under this framework, targeting the visual inspection of Main Landing Gear Axle Sockets for specified models of FU 24 Series Aeroplanes. The regulation requires inspections at intervals not exceeding 100 hours of time in service, thereby ensuring that any defects are identified and addressed promptly. This proactive approach is crucial in preventing accidents and ensuring the reliability of the aircraft's landing gear system.

Scope and Application

The Civil Aviation Regulations 1998, as amended, applies to all entities and persons involved in the operation of aircraft within Australia. Specifically, the regulation in focus, AD/FU24/15, pertains to all models of the FU 24 Series Aeroplanes, with the exception of those equipped with disc brakes. This regulation mandates that the Main Landing Gear Axle Sockets, identified by part number 245101, must be inspected visually for any signs of cracks across the lugs that contain the lower links. This inspection is critical for ensuring the safety and airworthiness of the aircraft and must be performed at intervals not exceeding 100 hours of operational time in service. While the regulation is comprehensive in its scope, it is pertinent to note that its application can be further extended or restricted through subordinate instruments issued under the authority of the Civil Aviation Safety Regulations. These instruments may provide additional details, clarifications, or specific conditions that must be adhered to by the regulated entities and individuals.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes the Airworthiness Directives pertaining to Airparts (NZ) Ltd. FU 24 Series Aeroplanes. One such directive, AD/FU24/15, pertains to the Main Landing Gear Axle Socket, which is required to be inspected visually for any cracks across the lugs containing the lower links, as per section (6/68). This directive applies to all models except those fitted with disc brakes. The obligations under this directive mandate that inspections of the Main Landing Gear Axle Sockets, with part number 245101, be carried out meticulously. According to the regulation, these inspections must occur at intervals not exceeding 100 hours of time in service. The primary goal of these inspections is to ensure that any cracks across the lugs, which are crucial for the structural integrity of the landing gear, are identified and addressed promptly to maintain the airworthiness of the aircraft. Non-compliance with the inspection requirements outlined in AD/FU24/15 could lead to significant consequences. While the regulations do not explicitly detail the penalties for non-compliance, the overarching framework of the Civil Aviation Regulations 1998 suggests that failure to adhere to such directives could result in safety hazards, potential grounding of the aircraft, and legal repercussions. These may include fines and other administrative actions taken by the Civil Aviation Safety Authority to ensure that the safety standards are upheld.

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Aviation Law
Instrument
Regulation
Concepts
Definitions & Interpretation
Compliance Obligations
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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.