Last Updated on 4 years by teboo
021 08 01 00 Piston engine
021 08 01 01 Fuel: types, characteristics, limitations
(01) “State the types of fuel used by a piston engine and their associated limitations:
— diesel;
— JET-A1 (for high-compression engines);
— AVGAS;
— MOGAS.”
(02) State the main characteristics of these fuels and give typical values regarding their flash points, freezing points and density.
021 08 01 02 Design, operation, system components, indications
(01) State the tasks of the fuel system.
(02) “Name the following main components of a fuel system, and state their location and their function:
— lines;
— boost pump;
— pressure valves;
— filter, strainer;
— tanks (wing, tip, fuselage);”
Syllabus reference BK Syllabus details and associated Learning Objectives
“— vent system;
— sump;
— drain;
— fuel-quantity sensor;
— fuel-temperature sensor.”
(03) Describe a gravity fuel feed system and a pressure feed fuel system.
(04) “Describe the construction of the different types of fuel tanks and state their advantages and disadvantages:
— drum tank;
— bladder tank;
— integral tank.”
(05) Explain the function of cross-feed.
(06) Define the term ‘unusable fuel’.
(07) “List the following parameters that are monitored for the fuel system:
— fuel quantity (low-level warning);
— fuel temperature.”
021 08 02 00 Turbine engine
021 08 02 01 Fuel: types, characteristics, limitations
(01) “State the types of fuel used by a gas turbine engine:
— JET-A;
— JET-A1;
— JET-B.”
Syllabus reference BK Syllabus details and associated Learning Objectives
(02) State the main characteristics of these fuels and give typical values regarding their flash points, freezing points and density.
(03) State the existence of additives for freezing.
021 08 02 02 Design, operation, system components, indications
(01) “Explain the function of the fuel system:
— lines;
— centrifugal boost pump;
— pressure valves;
— fuel shut-off valve;
— filter, strainer;
— tanks (wing, tip, fuselage, tail);
— bafflers/baffles;
— sump;
— vent system;
— drain;
— fuel-quantity sensor;
— fuel-temperature sensor;
— refuelling/defueling system;
— fuel dump/jettison system.”
(02) “Name the main components of the fuel system and state their location and their function:
— trim fuel tanks;
— bafflers;
— refuelling/defueling system;
— fuel dump/jettison system.”
Syllabus reference BK Syllabus details and associated Learning Objectives
Remark: For completion of list, please see 021 08 01 02 (02).
(03) Interpret a typical fuel system schematic to the level of detail as found in an aircraft FCOM.
(04) Explain the limitations in the event of loss of booster pump fuel pressure.
(05) Describe the use and purpose of drip sticks (manual magnetic indicators) (may also be known as dip stick or drop stick).
(06) Explain the considerations for fitting a fuel dump/jettison system and, if fitted, its function.