Commission Regulation (EU) No 1321/2014Show full title

MODULE 15. GAS TURBINE ENGINE U.K.

	LEVEL
	A	B1
15.1 Fundamentals	1	2
Potential energy, kinetic energy, Newton's laws of motion, Brayton cycle;
The relationship between force, work, power, energy, velocity, acceleration;
Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop.
15.2 Engine Performance	—	2
Gross thrust, net thrust, choked nozzle thrust, thrust distribution, resultant thrust, thrust horsepower, equivalent shaft horsepower, specific fuel consumption;
Engine efficiencies;
By-pass ratio and engine pressure ratio;
Pressure, temperature and velocity of the gas flow;
Engine ratings, static thrust, influence of speed, altitude and hot climate, flat rating, limitations.
15.3 Inlet	2	2
Compressor inlet ducts
Effects of various inlet configurations;
Ice protection.
15.4 Compressors	1	2
Axial and centrifugal types;
Constructional features and operating principles and applications;
Fan balancing;
Operation:
Causes and effects of compressor stall and surge;
Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades;
Compressor ratio.
15.5 Combustion Section	1	2
Constructional features and principles of operation.
15.6 Turbine Section	2	2
Operation and characteristics of different turbine blade types;
Blade to disk attachment;
Nozzle guide vanes;
Causes and effects of turbine blade stress and creep.
15.7 Exhaust	1	2
Constructional features and principles of operation;
Convergent, divergent and variable area nozzles;
Engine noise reduction;
Thrust reversers.
15.8 Bearings and Seals	—	2
Constructional features and principles of operation.
15.9 Lubricants and Fuels	1	2
Properties and specifications;
Fuel additives;
Safety precautions.
15.10 Lubrication Systems	1	2
System operation/lay-out and components.
15.11 Fuel Systems	1	2
Operation of engine control and fuel metering systems including electronic engine control (FADEC);
Systems lay-out and components.
15.12 Air Systems	1	2
Operation of engine air distribution and anti-ice control systems, including internal cooling, sealing and external air services.
15.13 Starting and Ignition Systems	1	2
Operation of engine start systems and components;
Ignition systems and components;
Maintenance safety requirements.
15.14 Engine Indication Systems	1	2
Exhaust Gas Temperature/Interstage Turbine Temperature;
Engine Thrust Indication: Engine Pressure Ratio, engine turbine discharge pressure or jet pipe pressure systems;
Oil pressure and temperature;
Fuel pressure and flow;
Engine speed;
Vibration measurement and indication;
Torque;
Power.
15.15 Power Augmentation Systems	—	1
Operation and applications;
Water injection, water methanol;
Afterburner systems.
15.16 Turbo-prop Engines	1	2
Gas coupled/free turbine and gear coupled turbines;
Reduction gears;
Integrated engine and propeller controls;
Overspeed safety devices.
15.17 Turbo-shaft Engines	1	2
Arrangements, drive systems, reduction gearing, couplings, control systems.
15.18 Auxiliary Power Units (APUs)	1	2
Purpose, operation, protective systems.
15.19 Powerplant Installation	1	2
Configuration of firewalls, cowlings, acoustic panels, engine mounts, anti-vibration mounts, hoses, pipes, feeders, connectors, wiring looms, control cables and rods, lifting points and drains.
15.20 Fire Protection Systems	1	2
Operation of detection and extinguishing systems.
15.21 Engine Monitoring and Ground Operation	1	3
Procedures for starting and ground run-up;
Interpretation of engine power output and parameters;
Trend (including oil analysis, vibration and boroscope) monitoring;
Inspection of engine and components to criteria, tolerances and data specified by engine manufacturer;
Compressor washing/cleaning;
Foreign Object Damage.
15.22 Engine Storage and Preservation	—	2
Preservation and depreservation for the engine and accessories/systems.