787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Engines, APU Chapter 7
APU System Description Section 30
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 7.30.1
7.30 Engines, APU-APU System Description
Engines , APU30 APU S ystem DescriptionAPU System Description
Introduction
The auxiliary power unit (APU) is a self–contained gas turbine engine located in
the airplane tailcone.
The APU can be started and operated to the airplane maximum certified altitude.
The APU supplies electrical power which is available throughout the airplane
operating envelope.
For additional information, refer to:
• Electrical – Controls and Indicators
, Ch. 6, Sec. 10
• Electrical – System Description
, Ch. 6, Sec. 20
• APU Fire Protection
, Ch. 8, Sec. 20
• APU Fuel Feed
, Ch. 12, Sec. 20
APU Location
APU Operation
APU Start
The APU is started by either the left or right APU starter.
TAILCONE
February 15, 2010
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