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MAINTENANCE PANEL..................................................................................................................................... 7/8
DSC-26-20-30 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
DSC-26-30 AVIONICS BAY
DSC-26-30-10 DESCRIPTION
DESCRIPTION.................................................................................................................................................... 1/2
DSC-26-30-20 CONTROLS AND INDICATORS
OVERHEAD PANEL........................................................................................................................................... 1/2
DSC-26-30-30 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
DSC-26-40 LAVATORY
DSC-26-40-10 DESCRIPTION
SMOKE DETECTION..........................................................................................................................................1/2
WASTEBIN FIRE EXTINGUISHING...................................................................................................................1/2
DSC-26-40-20 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
PRELIMINARY PAGES - TABLE OF CONTENTS
A318/A319/A320/A321 FLEET DSC-26-PLP-TOC P 2/2
FCOM 19 AUG 10
DSC-26-50 CARGO COMPARTMENTS
DSC-26-50-10 SMOKE DETECTION
SMOKE DETECTION..........................................................................................................................................1/4
DSC-26-50-20 FIRE EXTINGUISHING
FIRE EXTINGUISHING.......................................................................................................................................1/2
DSC-26-50-30 CONTROLS AND INDICATORS
OVERHEAD PANEL........................................................................................................................................... 1/4
DSC-26-50-40 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
DSC-26-60 ELECTRICAL SUPPLY
ELECTRICAL SUPPLY.......................................................................................................................................1/2
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
GENERAL
A318/A319/A320/A321 FLEET DSC-26-10 P 1/2
FCOM 19 AUG 10
DESCRIPTION
Applicable to: ALL
Aircraft Fire Protection Systems are comprised of :
Fire and overheat detection and extinguishing ‐ systems for the :
• Engines
• APU
‐ Smoke detection and extinguishing systems for the :
• Cargo compartments
• Lavatories
‐ Smoke detection for the :
• Avionic bay
‐ Portable fire extinguishers for the :
• Flight compartment
• Passenger cabin
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
GENERAL
Intentionally left blank
A318/A319/A320/A321 FLEET DSC-26-10 P 2/2
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
ENGINE AND APU - DESCRIPTION
A318/A319/A320/A321 FLEET DSC-26-20-10 P 1/4
FCOM 19 AUG 10
DETECTION
Applicable to:
, ,
MSN
The engines and the APU each have a fire and overheat detection system consisting of :
Two identical gas detection loops ‐ (A and B) mounted in parallel.
‐ A Fire Detection Unit (FDU).
The gas detection loops consist of :
‐ Three sensing elements for each engine, one in the pylon nacelle, one in the engine core and one
in the engine fan section.
‐ One sensing element in the APU compartment.
When a sensing element is subjected to heat, it sends a signal to the fire detection unit.
As soon as loops A and B detect temperature at a preset level, they trigger the fire warning system.
A fault in one loop (break or loss of electrical supply) does not affect the warning system.
The unaffected loop still protects the aircraft.
If the system detects an APU fire while the aircraft is on the ground, it shuts down the APU
automatically and discharges extinguishing agent.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 3(13)
