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 © Brooklands College 2012

   Part-66 Licences

  • Part-66 General Licence Categories
    Part-66 Aircraft Maintenance Licences are issued in various categories, with different levels of licence for different end users. Each category is further divided into sub-categories which reflect aircraft technological groupings. Brooklands College can provide Part-66 training for Aeroplanes only, not helicopters at present.
  • Category A Licence - Line Maintenance Certifying Mechanic
    The category a licence allows an experienced and knowledgeable mechanic the authority to certify certain simple and routine tasks, provided they have carried out the work themselves.

    Category A1 Turbine Engine Aeroplanes
    Category A2 Piston Engine Aeroplanes
    Category A3 Turbine Engine Helicopters
    Category A4 Piston Engine Helicopters
    Category A5 Reserved for Airship (to be developed)
  • Category B Licence
    Line Maintenance Certifying Technician Category B licences are aimed at line maintenance. They can also be used within base maintenance, in inspection or supervisory roles. Category B licences are separated into Mechanical and Avionics disciplines, identified as B1 and B2 respectively. The sub-divisions for aircraft groupings for category A licences also apply to category B1. Please see matrix below.
  • Category B1 Licence
    This category is mechanically orientated and covers aircraft structure, airframe systems, engines and propellers or rotors, as appropriate. Category B1 licence holders will also be able to certify all electrical work including power and distribution systems and control and indication systems.
    NB B1 licence holders may not certify electrics associated with avionics systems
  • Category B2 Licence
    These licences are avionic based and confer privileges similar to those of mechanical technician, covering electrical power and distribution and control and indication systems associated with avionics systems.
    NB B2 licence holders may not certify electrics associated with mechanical systems
  • A, B1 and B2 Licence Module Requirements
    Category A  
    Aeroplane Jet Engines 1 2 3   5 6 7 8 9 10 11       15   17
    Aeroplane Piston Engines 1 2 3   5 6 7 8 9 10 11         16 17
    Helecopter Jet Engines 1 2 3   5 6 7 8 9 10   12     15    
    Helicopter Piston Engines 1 2 3   5 6 7 8 9 10   12       16  
    Category B1  
    Aeroplane Jet Engines 1 2 3 4 5 6 7 8 9 10 11       15   17
    Aeroplane Piston Engines 1 2 3 4 5 6 7 8 9 10 11         16 17
    Helicopter Jet Engines 1 2 3 4 5 6 7 8 9 10   12     15    
    Helicopter Piston Engines 1 2 3 4 5 6 7 8 9 10   12       16  
    Category B2  
    Avionics 1 2 3 4 5 6 7 8 9 10     13 14