64.18 Turbine Engine Fuel Systems

64.18.2 Compare and differentiate between AVGAS and turbine engine fuel (including Biojet) and describe methods of reducing the likelihood of fuelling with the wrong type.

64.18.4 State the differences between the various types of turbine engine fuel (including Biojet) and identify their common usage names.

64.18.6 Describe the function of the following turbine engine fuel system components—

(a) fuel control unit (hydro pneumatic, hydro mechanical and electro-hydro mechanical)

(b) fuel filters

(c) fuel heater

(d) governors and limiting devices

(e) main fuel pumps

64.18.8 State the ideal fuel/air ratio for a turbine engine.