COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
De Havilland DHC-1 (Chipmunk) Series Aeroplanes
AD/DHC-1/7 Tailplane Attachment Lugs and Bulkhead - Inspection
3/53
Applicability: All models not modified in accordance with Chipmunk Mods. H66 and H70 or equivalent.
Document: 1. DH TNS CT(C1) Nos. 38 and 71; or
2. DH (Canada) TNS, Series “C”, No. 33; or 3. ANO 105.1.14.15.6.2
Compliance: At each daily inspection.
Overview
The Civil Aviation Regulations 1998, as amended by F2006B09023, was enacted to maintain and enhance aviation safety standards across Australia, addressing gaps in the regulatory framework for aircraft maintenance and operations. This legislative instrument is part of a broader suite of regulations overseen by the Civil Aviation Safety Authority (CASA) and was introduced to ensure compliance with international aviation safety standards. The policy objective is to mandate rigorous inspection protocols to maintain the airworthiness of aircraft, specifically targeting the De Havilland DHC-1 (Chipmunk) series aeroplanes. The regulation applies to all models of the DHC-1 series that have not been modified in accordance with specified modifications, ensuring that these aircraft meet stringent safety requirements before each flight.
Scope and Application
The Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998, specifically Part 39 - 105, mandates airworthiness directives for various aircraft types, including the De Havilland DHC-1 (Chipmunk) series aeroplanes. This directive, AD/DHC-1/7, pertains to the inspection of tailplane attachment lugs and bulkheads and applies to all models of the De Havilland DHC-1 series that have not been modified in accordance with specific modifications, namely Chipmunk Mods. H66 and H70, or their equivalents. This regulation ensures that these components are inspected at each daily inspection to maintain the airworthiness of the aircraft. The directive is applicable across the Commonwealth of Australia, ensuring a uniform standard for the maintenance and safety of these aeroplanes throughout the country. The regulations extend through subordinate documents, such as DH TNS CT(C1) Nos. 38 and 71, DH (Canada) TNS, Series “C”, No. 33, and ANO 105.1.14.15.6.2, providing detailed instructions and specifications for compliance.
Key Provisions
The Civil Aviation Regulations 1998, under Part 39 - 105, contain specific Airworthiness Directives (AD) that govern the safety standards for civil aircraft. One such directive, AD/DHC-1/7, pertains to De Havilland DHC-1 (Chipmunk) Series Aeroplanes, specifically focusing on the tailplane attachment lugs and bulkhead. This directive applies to all models of the DHC-1 series that have not been modified in accordance with Chipmunk Modifications H66 and H70 or their equivalents (s. 3/53). The applicable documentation for compliance includes DH TNS CT(C1) Nos. 38 and 71, DH (Canada) TNS, Series “C”, No. 33, and ANO 105.1.14.15.6.2.
The primary requirement of this directive is that the tailplane attachment lugs and bulkhead must be inspected at each daily inspection. This ensures that the structural integrity of these components is maintained, which is crucial for the overall safety of the aircraft. The directive mandates a thorough and systematic approach to inspections to identify any signs of wear, damage, or other issues that could compromise the aircraft's safety.
Operators and owners of DHC-1 series aircraft must ensure that these inspections are conducted by qualified personnel who are familiar with the specific requirements outlined in the applicable technical documents. This includes using the correct inspection procedures and tools, as specified in the referenced documentation, to accurately assess the condition of the tailplane attachment lugs and bulkhead. Any findings must be documented and any necessary repairs or replacements must be carried out promptly to maintain compliance with the AD.
Failure to comply with the requirements of AD/DHC-1/7 can result in significant consequences. The Civil Aviation Safety Authority (CASA) has the authority to take enforcement action against operators who do not adhere to the stipulated inspection procedures. Potential penalties can include fines, suspension or revocation of airworthiness certificates, and other regulatory actions that could prevent the aircraft from being operated. Ensuring compliance is therefore not only a matter of regulatory adherence but also a critical component of maintaining the safety standards required for the operation of civil aircraft in Australia.