COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Hiller UH-12 Series Helicopters
AD/HILLER 12/1 Main Rotor Blade - Inspection 10/60
Applicability: All models fitted with main rotor blades P/No. 2253-1101-03 with 250 or more hours time in service.
Document: 1. Hiller SIL No. 3007; or
2. FAA AD 60-17-2.
Compliance: At each daily or overnight inspection after 7 October 1970.
Overview
The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, is a comprehensive set of rules designed to regulate civil aviation and ensure safety within the sector. One specific legislative instrument under this act, F2006B10342, was introduced to address the safety concerns related to the Hiller UH-12 Series Helicopters, particularly those equipped with main rotor blades P/No. 2253-1101-03 that have accrued 250 or more hours of service time. This instrument mandates regular inspections of these components to prevent potential failures and ensure continued airworthiness. The objective of this directive, as stated, is to mitigate risks associated with rotor blade deterioration over time, thereby safeguarding both the aircraft and its occupants.
Scope and Application
The Civil Aviation Safety Authority Schedule of Airworthiness Directives, specifically AD/HILLER 12/1, pertains to the inspection of main rotor blades for Hiller UH-12 Series Helicopters. This directive applies to all models of these helicopters that are fitted with main rotor blades bearing the part number 2253-1101-03 and have accumulated 250 or more hours of time in service. The geographical reach of this regulation is national, as it is a directive issued by the Civil Aviation Safety Authority under Commonwealth legislation. The directive mandates compliance with the inspection procedures detailed in either the Hiller SIL No. 3007 or the FAA AD 60-17-2, at each daily or overnight inspection following the effective date of 7 October 1970. This ensures that the main rotor blades are inspected regularly to maintain airworthiness standards and safety in compliance with the Civil Aviation Regulations 1998.
Key Provisions
The Civil Aviation Regulations 1998, under Part 39 - 105, contain a schedule of airworthiness directives (AD) specifically designed to maintain the safety standards of aircraft. One such directive, AD/HILLER 12/1, pertains to the inspection of main rotor blades on Hiller UH-12 Series helicopters (section 10/60). This directive applies to all models equipped with main rotor blades with part number 2253-1101-03 that have accumulated 250 or more hours of service time (section 10/60). The requirement is to conduct inspections as per either the Hiller SIL No. 3007 or FAA AD 60-17-2 (section 10/60). These inspections must be carried out at each daily or overnight inspection after 7 October 1970 (section 10/60).
Under the Civil Aviation Regulations, operators of Hiller UH-12 Series helicopters must ensure that their aircraft comply with AD/HILLER 12/1 by conducting the specified inspections of the main rotor blades. This involves examining the blades for any signs of wear, damage, or other issues that might compromise safety. The directive mandates these inspections to be carried out at each daily or overnight inspection, ensuring a consistent and rigorous approach to safety maintenance. Compliance with the directive is crucial for the continued airworthiness of the helicopters, and failure to adhere to these requirements can lead to serious safety implications.
Failure to comply with AD/HILLER 12/1 can result in severe consequences under the Civil Aviation Regulations 1998. Specifically, operators who neglect to conduct the mandated inspections risk compromising the safety of their aircraft. The regulations do not explicitly state penalties within the provided text, but non-compliance with airworthiness directives generally attracts enforcement actions, which can include fines, operational restrictions, or even grounding of the aircraft until the issues are resolved. These measures underscore the importance of adhering to the regulations to maintain the highest safety standards in aviation.
In summary, AD/HILLER 12/1 is a critical component of the Civil Aviation Regulations 1998, ensuring that Hiller UH-12 Series helicopters maintain their airworthiness through regular inspections of the main rotor blades. Operators are obligated to follow the specified procedures and conduct inspections at each daily or overnight check. Non-compliance with these directives can lead to enforcement actions, highlighting the need for strict adherence to ensure the safety and integrity of the aviation industry.