28-00-00  FUEL - GENERAL Back

A. System Functions

The fuel system (the system) has these functions:

• It holds the fuel for the engines
• It supplies fuel to the engines
• It gives the flight crew indications of the condition of the system.

B. Sub-systems

The sub-systems of the system are the:

• Storage sub-system (Ref. 28-10-00)
• Distribution sub-system (Ref. 28-20-00)
• Indicating sub-system (Ref. 28-40-00)

C.Power supplies

The system uses 28 V dc from the:

• Emergency busbar
• Left battery busbar
• Right battery busbar
• Left essential busbar
• Right essential busbar