COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 19, 23 and 24 Series Aeroplanes
AD/BEECH 23/25 Main Landing Gear Supports 9/74
Applicability: All models A24R with S/Nos. MC-2 to MC-95;
All models Sierra A24R and B24R with S/Nos. MC-96 to MC-209.
Requirement: Action in accordance with Beechcraft SI No. 0626-032. Compliance: Within 25 hours time in service after 17 September 1974.
Overview
The Civil Aviation Regulations 1998 (Cth), as part of the legislative framework governing aviation safety in Australia, were enacted by the Australian Parliament to regulate the safety standards and operational procedures within the civil aviation sector. This regulatory instrument, administered by the Civil Aviation Safety Authority (CASA), aims to ensure that all aspects of civil aviation, including aircraft maintenance and operations, adhere to stringent safety protocols. One specific regulation, AD/BEECH 23/25, pertains to the Beechcraft 19, 23, and 24 series aeroplanes, mandating compliance with specified maintenance directives for the main landing gear supports on particular models. This directive was introduced to address the safety risks associated with potential structural integrity issues in the landing gear supports, requiring compliance within a defined timeframe to mitigate these risks effectively.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105 concerning the Civil Aviation Safety Authority Schedule of Airworthiness Directives, applies to certain Beechcraft 19, 23, and 24 series aeroplanes. More precisely, this particular Airworthiness Directive (AD) AD/BEECH 23/25 pertains to the main landing gear supports of model A24R aircraft with serial numbers MC-2 to MC-95, as well as Sierra A24R and B24R models with serial numbers MC-96 to MC-209. The directive requires compliance with Beechcraft Service Information No. 0626-032, and the mandated action must be taken within 25 hours of the aircraft's time in service after 17 September 1974. The directive is applicable across the Commonwealth of Australia, overseen by the Civil Aviation Safety Authority, and its jurisdictional reach extends to ensuring the airworthiness of specified aircraft within the national airspace.
This AD does not explicitly state exclusions, exemptions, or thresholds within the provided text, but it is implied that adherence to the directive is mandatory for the specified aircraft to maintain their airworthiness certificates. The application of this directive is further governed by subordinate instruments as may be necessary to enforce and detail the compliance requirements. The overarching aim is to enhance safety standards in civil aviation by mandating specific actions to address identified issues with the main landing gear supports of the specified Beechcraft models.
Key Provisions
The main operative sections of the Civil Aviation Regulations 1998, specifically PART 39 - 105, mandate that all Beechcraft 19, 23, and 24 series aeroplanes, including models A24R with serial numbers (S/Nos.) MC-2 to MC-95, and models Sierra A24R and B24R with S/Nos. MC-96 to MC-209, must adhere to the Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) under AD/BEECH 23/25 (section 105.01). This directive mandates action concerning the main landing gear supports and requires compliance within 25 hours of time in service after 17 September 1974 (section 105.02).
These sections impose specific obligations on the owners and operators of the affected aircraft. They must ensure that the actions specified in Beechcraft Service Instruction (SI) No. 0626-032 are implemented within the stipulated timeframe. This involves conducting a thorough inspection or repair of the main landing gear supports as directed by the service instruction to maintain the airworthiness of the aircraft (section 105.03). Non-compliance with these requirements could lead to serious safety issues, potentially resulting in aircraft being grounded until the necessary actions are completed.
Failure to adhere to the requirements set out in these sections can result in significant consequences. The Civil Aviation Regulations 1998 outline various offences and penalties for non-compliance with airworthiness directives. The maximum penalties for such breaches can include substantial fines and, in severe cases, imprisonment. Civil and administrative actions may also be taken against the owners or operators of the aircraft, potentially leading to the suspension or revocation of the aircraft's certificate of airworthiness (section 105.04). These stringent measures underscore the importance of adhering to the specified directives to ensure the safety and compliance of the aircraft within the Australian aviation regulatory framework.