COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
Israel Aircraft Industries 1125 (Astra) Series Aeroplanes
AD/IAI-A/10 Engine Inlet Cowl and Aft Nacelle Attachment
Bolts
8/2001
DM
Applicability: Model 1125 Astra aircraft, serial numbers 004 through 078, except 073. Requirement: Action in accordance with Israel Aircraft Industries Alert Service Bulletin 1124-54A-
247.
Note: Israel CAA AD 54-01-05-02 refers.
Compliance: Within 50 hours time in service after 4 July 2001.
This Airworthiness Directive becomes effective on 4 July 2001.
Background: On some aircraft, AN3 part number bolts have been found installed on engine case flanges. These bolts are not approved and are considered as fatigue critical for this application. This Directive requires verification of approved bolts.
David Alan Villiers
Delegate of the Civil Aviation Safety Authority 27 June 2001
The above AD is notified in the Commonwealth of Australia Gazette on 4 July 2001.
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Overview
The Civil Aviation Regulations 1998 were enacted to ensure the safety and efficiency of civil aviation in Australia. The regulations are administered by the Civil Aviation Safety Authority (CASA), which has the authority to issue Airworthiness Directives (AD) to address identified safety concerns. AD/IAI-A/10 is one such directive issued by CASA, effective from 4 July 2001, to address a specific safety issue with the Israel Aircraft Industries 1125 (Astra) Series Aeroplanes. This AD was introduced to rectify the unsafe condition of non-approved AN3 part number bolts being installed on engine case flanges of certain Astra aircraft models, which are considered fatigue critical for this application. The directive requires the affected aircraft operators to take action in accordance with the instructions set out in the AD within 50 hours of time in service after the directive's effective date.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39, Section 105, outlines the Airworthiness Directive (AD) concerning the Israel Aircraft Industries 1125 (Astra) Series Aeroplanes. This legislation applies to all Model 1125 Astra aircraft with serial numbers ranging from 004 through 078, with the exception of aircraft serial number 073. The AD mandates specific action concerning the engine inlet cowl and aft nacelle attachment bolts, requiring adherence to the instructions set out in Israel Aircraft Industries Alert Service Bulletin 1124-54A-247. This directive aims to rectify an unsafe condition identified in the installation of certain bolts, which are not approved for fatigue-critical applications in this context. The requirement to comply with this directive must be met within 50 hours of time in service after the AD's effective date of 4 July 2001. The AD was issued by the delegate of the Civil Aviation Safety Authority, David Alan Villiers, on 27 June 2001, and was subsequently notified in the Commonwealth of Australia Gazette on 4 July 2001.
Key Provisions
The Civil Aviation Regulations 1998, specifically under PART 39 - 105, establish the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives (ADs). An Airworthiness Directive is a legal requirement issued by the CASA delegate to ensure the safe operation of aircraft. For example, AD/IAI-A/10 pertains to Israel Aircraft Industries 1125 (Astra) Series Aeroplanes, specifically those with serial numbers 004 through 078, excluding serial number 073. This directive mandates specific actions to rectify an identified safety issue related to engine inlet cowl and aft nacelle attachment bolts (section 39.1 (1)).
The AD requires the aircraft owners and operators to follow specific instructions detailed in the requirement section, which, in this case, involves adhering to the Israel Aircraft Industries Alert Service Bulletin 1124-54A-247. This directive references the Israel Civil Aviation Authority AD 54-01-05-02, ensuring consistency and compliance with international safety standards. The action must be taken within 50 hours of the aircraft being in service after the directive's effective date of 4 July 2001. This time frame is set out in the compliance section of the AD to ensure timely rectification of the safety concern.
The obligations imposed on the parties governed by this AD include the necessity to verify and replace any unapproved AN3 part number bolts found on engine case flanges with approved ones. Failure to comply with these directives can lead to serious safety risks, including potential structural failure during flight. CASA delegates have the authority to enforce these mandates and may take legal action against non-compliance.
Breach of the requirements stipulated in this AD may result in civil or criminal penalties. The specific consequences depend on the severity of the non-compliance and the potential risk posed to aviation safety. The maximum penalties for such violations can include substantial fines and, in severe cases, criminal charges against the aircraft operator or owner. It is imperative that all governed parties adhere strictly to the AD to avoid these repercussions and ensure the continued safe operation of the aircraft in question.