COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes
AD/AC/94 Airspeed in Turbulence 13/95 DM
Applicability: The following aircraft models and serial numbers: Models Serial Numbers
680T and 680V 1473 through 1720
680W 1721 through 1850
681 6001 through 6072
690 11001 through 11079
690A 11100 through 11344
690B 11350 through 11566
690C 11600 through 11735
690D 15001 through 15042
695 95000 through 95084
695A 96000 through 96100
695B 96201 through 96208
Requirement: Attach a placard on the windshield centre post in accordance with the Accomplishment Instructions of Twin Commander Service Bulletin 220.
A separate direction under CAR 138(3) for incorporation of the applicable flight manual amendment is being provided to Certificate of Registration holders.
Note: FAA AD 95-19-18 Amdt 39-9379 refers.
Compliance: Within 50 hours’ time in service after 25 October 1995.
Background: This Directive is issued in response to the recent issue of the above referenced AD by the FAA. Although no limitations have changed, the country of origin regulatory authority requires a placard and a flight manual amendment to warn the pilot to observe turbulent air penetration speeds.
Overview
The Civil Aviation Regulations 1998, under Part 39, introduced the Airworthiness Directive (AD) concerning the airspeed in turbulence for specific models of Twin Commander aeroplanes, particularly Gulfstream/Rockwell/Aerocommander 500, 600, and 700 series. This legislation was enacted to address safety concerns related to the maximum airspeed that these aircraft should maintain during turbulence. The Civil Aviation Safety Authority (CASA) issued this directive to ensure that pilots are adequately informed about the necessary precautions to take during such conditions. The primary policy objective is to enhance flight safety by mandating specific operational changes to the affected aircraft, thereby reducing the risk of accidents due to turbulence-related issues. Compliance with this directive is mandatory, requiring that a placard be affixed to the aircraft's windshield and relevant flight manual amendments be incorporated within 50 hours of the directive's effective date.
Scope and Application
The Civil Aviation Regulations 1998, as specified in PART 39 - 105 of the Civil Aviation Safety Authority's Schedule of Airworthiness Directives, mandate the application of AD/AC/94 concerning airspeed in turbulence for Twin Commander (Gulfstream/Rockwell/Aerocommander 500, 600, and 700) Series Aeroplanes. This directive applies to specific models and serial numbers of these aircraft, such as 680T and 680V from serial numbers 1473 to 1720, and similarly for other models and their respective serial number ranges. The directive requires that a placard be affixed on the windshield centre post in accordance with the Accomplishment Instructions of Twin Commander Service Bulletin 220, and a flight manual amendment must be incorporated as per a separate direction under CAR 138(3). Compliance with these requirements must be achieved within 50 hours’ time in service after 25 October 1995. This regulatory action is in response to a similar directive issued by the Federal Aviation Administration (FAA) and serves to ensure that pilots are adequately warned about turbulent air penetration speeds.
Key Provisions
The Civil Aviation Regulations 1998, specifically in Part 39 - 105, detail Airworthiness Directives for Twin Commander (Gulfstream/Rockwell/Aerocommander 500, 600 and 700) Series Aeroplanes under AD/AC/94. This particular directive, concerning airspeed in turbulence, applies to specified models and serial numbers of these aircraft (subsection (1)). The requirement is to attach a placard on the windshield centre post in accordance with the Accomplishment Instructions of Twin Commander Service Bulletin 220 (subsection (2)). Additionally, a separate direction under CAR 138(3) mandates the incorporation of the applicable flight manual amendment to Certificate of Registration holders (subsection (3)). This directive is a response to FAA AD 95-19-18 Amdt 39-9379, aimed at ensuring pilots are warned of the speeds associated with turbulent air penetration.
The obligations imposed by this legislation include the necessity for aircraft operators to comply with the specific requirements within 50 hours of the directive’s issuance, following 25 October 1995 (subsection (4)). Compliance involves attaching the mandated placard and incorporating the relevant flight manual amendment as per the instructions provided. This ensures that all necessary safety measures are communicated to pilots effectively and that the aircraft remain airworthy under turbulent conditions.
Failure to comply with the provisions of this Airworthiness Directive could result in serious safety implications, potentially leading to severe consequences for both the operators and passengers. Although the specific penalties are not detailed in the provided text, non-compliance with Civil Aviation Regulations generally can lead to significant civil or criminal penalties, including fines, suspension or revocation of aircraft operating certificates, and potential criminal charges if the non-compliance results in an accident or serious safety incident. The exact penalties would depend on the severity of the breach and the specific regulations violated.