7232 Aircraft engine mechanics and fitters  

101403 Minor repair for aircraft electrical components or parts 

(ก) ความต้องการด้านทักษะ

See Appendix A

(ข) ความต้องการด้านความรู้

See Appendix A

(a) Performance Evidence

      Evidence required to demonstrate competency in this unit should be of interest and meet all requirements of the elements and performance criteria under the specified conditions assessment, and should include:

•    Using approved maintenance documentation and aircraft publications relating to basic instrument systems .

•    Locating and identifying flight instrument system components comprising: 

•    Engine system temperature and speed, including mechanical and electrical tachometers .

•    Auxiliary direct reading systems, including vacuum, fuel storage quantities .

•    Flight systems, including attitude, altitude, air speed and OAT .

•    Locating and identifying direct reading compasses .

•    Correct handling and observance of maintenance precautions relating to gyroscopes, gimbals and pitot/static systems (connections, heating and protrusions) .

•    Recognising system and component defects/external damage, correct installation, connection of plugs, terminations, attaching hardware, including cabling/harnesses, and security in: 

•    Flight instruments .

•    Pitot/static systems .

•    Direct reading compasses .

•    Piston engine and gas turbine engine indication systems .

•    Electrical systems indication .

•    Basic fuel quantity indication systems .

•    Vacuum indication systems .

•    Applying logic processes, taking and interpreting system measurements, using test equipment and appropriate wiring diagrams and manuals to isolate malfunctions in the above systems .

•    Performing system functional tests and checks to isolate system faults and assess post-maintenance serviceability .

•    Applying WHS requirements relevant to instrument system maintenance. 

Where relevant to the enterprise: 

•    Locating and identifying: 

•    Electronic flight instrument system (EFIS) .

•    Engine indicating and crew alerting system (EICAS) .

•    Electronic central aircraft monitoring (ECAM) .

•    Data linkage and transmission systems .

•    Recognising system and component defects/external damage, correct installation, connection of plugs, terminations, attaching hardware (including cabling/harnesses) .

•    Interpreting the information presented on instrument display systems .

•    Performing system functional tests and checks to confirm post-maintenance serviceability .

    It is essential that the system test procedures, cleaning requirements and security measures applicable to the system being maintained instruments are fully observed, understood and respected. Ability to interpret procedures and specifications (allowable limits) inspection and apply them in practice through a series of inspections, testing and troubleshooting applications (including the appropriate involvement of supervisors and other trades) is critical. Evidence of transferability of skills and knowledge related to the inspection, testing and troubleshooting is essential. This is to be demonstrated by the application in a wide range of aircraft systems and instruments basic components contained in the evaluation conditions.



(b) Knowledge Evidence

      Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include basic knowledge of: 

•    Component attachment methods .

•    Connection of hardware and plugs .

•    Handling precautions for electrostatic sensitive devices .

•    Relevant WHS practices .

•    The basic layout (block diagram level), function and operation of the following systems as listed in the Range of Conditions: 

•    Pitot/static systems .

•    Piston engine and gas turbine engine direct reading indication systems .

•    Basic fuel quantity measurement systems .

•    The operating principles of the above systems and associated with: 

•    Atmospheric conditions; properties and effects on aircraft instruments and systems .

•    Pressure and temperature sensing elements and their use in aircraft instruments .

•    Gyroscopes and their use in aircraft instrument systems .

•    Electrical fundamentals .

•    Instrument construction and operation: 

•    Instrument groupings, panel layout and construction .

•    Pitot static instruments (ASI, VSI and counter-pointer altimeters), their operation, calibration, safe handling and related terminology .

•    Pitot pressure .

•    Static pressure .

•    Altimeter Q code settings: 

•    QNH .

•    QNE .

•    QFE .

•    Indicated airspeed (IAS) .

•    True airspeed (TAS) .

•    Vacuum system indication component construction and operation .

•    Air and electrically powered artificial horizon construction and operation .

•    DG construction and operation .

•    Construction and operation of direct reading engine instruments .

•    Turn and bank and slip/turn coordinator construction and operation .

•    Direct reading compass construction and compass calibration .

•    Piston and gas turbine engine direct reading measuring instruments and temperature indication instruments construction and operation .

•    Voltage and current measuring instrument construction and operation .

•    Volumetric fluid quantity system components, construction and operation .

Instrument system maintenance requirements and troubleshooting procedures, including pitot/static system leak testing .

•    Relevant maintenance documentation and maintenance publications 

•    Relevant regulatory requirements and standard procedures 

•    For electronic flight and engine instrument systems: 

•    The layout and operation (to block diagram level) of EFIS, EICAS and ECAM systems and related data linkage and transmission systems 

•    Interpretation of display data 

•    Component removal and installation procedures 

•    Testing of system operation using on-board testing procedures and/or simple external test equipment with a go or no go outcome 

•    Software management control requirements. 

(c) Assessment   recommendation

         N/A

Assessmen  methods

(a) Recommendation

(b) Description

        N/A

 

The assessment are based on combination of paper exams, interviewing, and practical demonstrations depending on the assessors’ judgement.Competition should be assessed in the workplace or work environment simulated using tools and equipment specified in the maintenance documentation. It is also expected that the applicable general-purpose tools and test equipment found in most routine situations would be used where appropriate. 

    The application of the test procedures should clearly indicate the knowledge of system operation, the relationship of the individual components and linkages with other systems (if applicable) within the limits of the aircraft / guidance system troubleshooting before taking any action. The work plan should take into account the applicable safety requirements and quality in accordance with industry and regulatory standards.

    The following conditions of assessment represent the requirements of the Regulators  and maintenance stakeholders and must be rigorously observed. 

•    A person can not be assessed as competent until they can demonstrate to the satisfaction of the assessor workplace relevant elements and performance criteria of competence unit is carried out under the supervision of routine in a system and at least one important system component / line replaceable unit (LRU) for each of the following groups:

•    Pitot/static systems and components, ASI, VSI and counter-pointer altimeters .

•    DGs and AHs (air and electrically driven) .

•    Turn and bank and slip/turn coordinators .

•    Direct reading compasses .

•    Piston engine and gas turbine engine indication system components (direct reading measuring instruments and temperature indication) .

•    Electronic flight and engine instrument system components (may be omitted if not relevant to the enterprise) .

•    Electrical systems indication (voltage and current) .

•    Basic fuel quantity indication systems and components .

•    Vacuum indication components. 

•    This shall be established via the records in the Log of Industrial Experience and Achievement or, where appropriate, an equivalent Industry Evidence Guide (for details refer to the Companion Volume Assessment Guidelines). 

•    Assessors must satisfy the requirements of the National Vocational Education and Training Regulator.