COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 76 (Duchess) Series Aeroplanes
AD/BEECH 76/1 Control Bearing Assemblies 5/79
Applicability: All model 76 with S/Nos. ME-2 to ME-75. Requirement: Action in accordance with Beechcraft SI No. 1017. Compliance: Within 100 hours’ time in service after 31 May 1979.
Background: The manufacturer advises that the subject control column bearing assemblies may have been filed or ground in the weld area.
Overview
The Civil Aviation Regulations 1998, as amended, contain a provision addressing airworthiness directives for specific aircraft models, including the Beechcraft 76 (Duchess) series aeroplanes. The regulation AD/BEECH 76/1 was introduced to ensure the safety of all model 76 with serial numbers ME-2 to ME-75 by addressing potential issues with the control bearing assemblies. This directive mandates actions in accordance with Beechcraft Service Information No. 1017 and requires compliance within 100 hours’ time in service following 31 May 1979. The Civil Aviation Safety Authority, under the authority of the Commonwealth of Australia, enacts these regulations to mitigate risks identified by the manufacturer regarding the control column bearing assemblies, which may have been improperly filed or ground in the weld area. This policy objective aims to ensure the continued airworthiness and safety of the specified aircraft models.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, under the authority of the Civil Aviation Safety Authority, issues Airworthiness Directives to ensure the safe operation of aircraft. One such directive, AD/BEECH 76/1, applies to all Beechcraft 76 (Duchess) Series aeroplanes with serial numbers ME-2 to ME-75. The directive mandates specific action concerning the control bearing assemblies as per Beechcraft Service Instruction No. 1017, with a compliance deadline set within 100 hours of time in service following 31 May 1979. The directive’s geographic reach is national, applying to all relevant aircraft operating within Australian jurisdiction. No exclusions or exemptions are specified in this directive, thus it applies universally to the identified aircraft within the stipulated timeframe. Any further clarification or extension of the application of this directive may be detailed in subordinate instruments issued by the Civil Aviation Safety Authority.
Key Provisions
The Civil Aviation Regulations 1998, specifically in Part 39 - 105 under the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, mandates certain actions for the maintenance and operation of Beechcraft 76 (Duchess) Series aeroplanes. The directive AD/BEECH 76/1 pertains to the control bearing assemblies of aircraft with serial numbers ranging from ME-2 to ME-75 (section 5/79). The directive requires action to be taken in accordance with Beechcraft Service Instruction (SI) No. 1017. The compliance timeframe is set within 100 hours of time in service after 31 May 1979. The directive is based on the manufacturer's advisory that the control column bearing assemblies might have been improperly filed or ground in the weld area, which could compromise the structural integrity and safety of the aircraft.
The primary obligation under this directive is for the operators of affected aircraft to ensure that the specified maintenance actions are carried out as outlined in Beechcraft SI No. 1017. This involves inspecting the control bearing assemblies for any signs of improper filing or grinding and, if necessary, correcting these defects to meet the manufacturer's specifications. Operators must also ensure that these actions are completed within the stipulated 100 hours’ time in service following the directive's issuance date. This mandate ensures that the aircraft remain airworthy and comply with safety standards set by CASA.
Failure to comply with the provisions of AD/BEECH 76/1 can result in serious consequences. CASA has the authority to enforce the regulations, and non-compliance could lead to enforcement actions. The penalties for not adhering to airworthiness directives can include fines, suspension or revocation of aircraft certificates of airworthiness, and potential criminal charges for individuals or corporations responsible for the oversight. The specific penalties may vary, but they are intended to ensure that safety standards are strictly enforced to protect public safety and maintain the integrity of the aviation system. The potential civil or criminal consequences underscore the importance of adhering to CASA's directives.