COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-22 (Tri-Pacer and Colt) Series Aeroplanes
AD/PA-22/27 Rapid Throttle Movement - Warning Placard 6/73
Applicability: Models PA-22-150, PA-22S-150, PA-22-160, PA-22S-160 fitted with Lyc. 0-320 engines equipped with Marvel Schebler carburettors model MA-4SPA P/Nos. 10- 3678-11, 10-3678-12, 10-3678-32; and other PA-22 series aircraft which have been modified to these engines/carburettor configurations.
Requirement: 1. Attach the following placard to the instrument panel near the throttle control and in full view of the pilot using letters of 1/8" maximum size:
“DO NOT OPEN THROTTLE RAPIDLY - IDLE TO FULL THROTTLE IN 2 SECONDS MINIMUM”.
Note: The placard may be fabricated by the owner or operator.
or 2. FAA AD 73-9-6.
Compliance: Within 10 hours time in service after 9 May 1973.
Overview
The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, are designed to ensure the safety and efficiency of civil aviation operations within the country. One particular aspect of these regulations is found in Part 39, which pertains to the authority and processes involved in ensuring the airworthiness of aircraft. The specific regulation highlighted here is AD/PA-22/27, which addresses an identified safety concern regarding rapid throttle movements in Piper PA-22 series aeroplanes equipped with certain engine and carburettor configurations. The objective of this directive is to mitigate potential hazards by mandating the installation of a warning placard to caution pilots against rapid throttle movements, thereby enhancing flight safety. Compliance with this airworthiness directive is mandatory and must be achieved within a specified timeframe following its issuance.
The policy objective behind the Civil Aviation Regulations 1998, and specifically this airworthiness directive, is to maintain high standards of aviation safety by addressing known risks associated with aircraft operations. By requiring the installation of a warning placard near the throttle control, the regulation aims to provide critical information to pilots, thereby reducing the likelihood of accidents caused by rapid throttle movements. This proactive approach is in line with the overarching goal of the Civil Aviation Safety Authority to safeguard the public and ensure the safe operation of aircraft within Australian airspace.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, addresses airworthiness directives for certain aircraft models, including the Piper PA-22 series aeroplanes, such as the Tri-Pacer and Colt. This legislative instrument applies to specific models of the PA-22 series, namely PA-22-150, PA-22S-150, PA-22-160, PA-22S-160, which are equipped with Lycoming 0-320 engines and Marvel Schebler carburettors model MA-4SP with particular part numbers, as well as other PA-22 series aircraft modified to these configurations. The directive mandates that a warning placard must be attached to the instrument panel near the throttle control to ensure it is in full view of the pilot. The requirement is to adhere to the instruction within 10 hours of time in service after 9 May 1973. This legislation operates under the Commonwealth of Australia and extends its jurisdiction to all aircraft registered in Australia, ensuring compliance with civil aviation safety standards.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, contain directives that govern the airworthiness of certain Piper PA-22 series aeroplanes, including the Tri-Pacer and Colt models. The regulations mandate that any PA-22 aircraft fitted with Lycoming 0-320 engines and Marvel Schebler carburettors, or modified to match these specifications, must adhere to specific safety directives. According to AD/PA-22/27, the most critical requirement is the attachment of a warning placard (section 1) to the instrument panel near the throttle control. This placard must be clearly visible to the pilot and contain specific wording: "DO NOT OPEN THROTTLE RAPIDLY - IDLE TO FULL THROTTLE IN 2 SECONDS MINIMUM." Alternatively, the aircraft may comply with FAA AD 73-9-6. This directive must be fulfilled within ten hours of the aircraft being in service after 9 May 1973.
The obligations imposed by these regulations require the owners or operators of the specified Piper PA-22 aircraft to ensure that the warning placard is correctly installed. This involves either fabricating the placard themselves or ensuring it is properly installed by a qualified individual. The regulations also specify the precise wording and size of the lettering to ensure the message is unambiguous and cannot be overlooked by the pilot. The regulations further require compliance within a defined timeframe post the specified date, underscoring the importance of prompt action to maintain airworthiness standards.
Failure to comply with these airworthiness directives can lead to significant consequences. While the specific penalties are not detailed in the provided excerpt, non-compliance with Civil Aviation Regulations can generally result in civil penalties, including fines, and criminal charges for serious breaches. Additionally, the aircraft may be deemed unairworthy, preventing it from operating until the necessary modifications are made. The enforcement of these regulations is crucial to maintaining the safety standards required by the Civil Aviation Safety Authority.