Document ID: chunk:federal_register_of_legislation:F2025C00050:body:0:p257
Version: federal_register_of_legislation:F2025C00050
Segment Type: other
Provision Reference: 
Character Range: 891774–895683

resetting;
(ii)            multiple CB panels – need for identification;
(iii)          grid system of nomenclature (for example, CB G22 on P3 panel);
(c)           battery:
(i)             types of high performance batteries in common use;
(ii)            charge/discharge characteristics;
(iii)          precautions needed;
(d)           AC generation:
(i)             advantages of AC versus DC;
(ii)            types of generator:
(A)          permanent magnet generator;
(B)          field excitation generator;
(C)          differences between them;
(iii)          constant speed drive:
(A)          purpose;
(B)          disconnecting drive;
(e)           TR unit:
             1.          purpose;
             2.          function of diodes/RCRs;
(f)             power distribution:
(i)             connecting generator to a bus;
(ii)            connecting multiple generators to bus system;
(A)          split buses;
(B)          paralleling generators;
(iii)          priority supplies in event of partial failure.
3.4.2              Operation of electrical system
(a)           functioning of a typical AC-based electrical system with multiple generators, multiple AC and DC buses, APU and GPU;
(b)           recognise on a diagram the symbols for the major components, and be able to trace the functioning of the diagrammatic system. (system detail at the level of typical Operations Manager diagram).
3.4.3              The aircraft structure as an electrical conductor.

4.                       Power plants – turbine engine
4.1                    Theory of thrust
4.1.1              Explain the thrust formula for turbine engines and for thrust, state the functional relationship between airspeed, air density, pressure and temperature, and RPM.
4.2                    Principle of operation
4.2.1              Describe the basic principles of jet propulsion theory with reference to the following:
(a)           working cycle:
(i)             gas flow;
(ii)            changes in velocity, pressure, temperature;
(iii)          engine pressure ratio;
(b)           the differences and advantages of the following types of engine:
(i)             centrifugal flow;
(ii)            axial flow.

5.                       Engine instruments
5.1                    Displays
5.1.1              Describe the basic features of the following commonly available types of displays:
(a)           pointer-and-dial;
(b)           vertical strip;
(c)           EICAS.
5.1.2              Explain the purpose of monitoring engine parameters in regards to the following:
(a)           comparison of engine performance;
(b)           trends;
(c)           identification of malfunctions/failures.
5.1.3              In relation to identifying an engine gauge with its engine:
(a)           explain the desirability of being able to rapidly identify the correct gauge engine combination; and
(b)           give examples of good/bad instrumentation layouts; and
(c)           describe the consequence of engine misidentification.

6.                       Flight instrumentation systems
6.1                    Application of computers used in aircraft
6.1.1              Describe how the following computer-based systems and technologies are used in aircraft:
(a)           flight management systems;
(b)           performance management systems;
(c)           fly-by-wire aircraft.
6.2                    Electronic flight instrument system (EFIS)
6.2.1              In relation to EFIS:
(a)           describe the advantages of EFIS compared to conventional system; and
(b)           list typical inputs and outputs; and
(c)           describe typical data inputs; and
(d)           describe typical control panels and display units; and
(e)           provide examples of typical aircraft installation.
6.3                    Flight management system (FMS)
6.3.1              In relation to a typical FMS:
(a)