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DSC-26-56-20 CONTROLS AND INDICATORS
CONTROLS AND INDICATORS........................................................................................................................ 1/2
DSC-26-56-30 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
DSC-26-57 CREW REST COMPARTMENTS
DSC-26-57-10 SMOKE DETECTION
FLIGHT CREWREST COMPARTMENT............................................................................................................. 1/2
DSC-26-57-30 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
PRELIMINARY PAGES - TABLE OF CONTENTS
A330/A340 FLEET DSC-26-PLP-TOC P 3/4
FCOM 19 AUG 10
DSC-26-57-40 ELECTRICAL SUPPLY
BUS EQUIPMENT LIST......................................................................................................................................1/2
DSC-26-59 BROADBAND SYSTEM
DSC-26-59-10 SMOKE DETECTION
SMOKE DETECTION..........................................................................................................................................1/2
DSC-26-59-20 WARNINGS AND CAUTIONS
WARNINGS AND CAUTIONS............................................................................................................................ 1/2
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
PRELIMINARY PAGES - TABLE OF CONTENTS
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A330/A340 FLEET DSC-26-PLP-TOC P 4/4
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
GENERAL
A330/A340 FLEET DSC-26-10 P 1/2
FCOM 19 AUG 10
DESCRIPTION
Applicable to: ALL
Aircraft fire protection systems include :
Fire and overheat detection and extinguishing ‐ systems for the :
• Engines
• APU
‐ Smoke detection and extinguishing for the :
• Cargo compartments
• Lavatories
‐ Smoke detection for the :
• Avionic bay
‐ Portable fire extinguishers for the :
• Flight compartment
• Passenger cabin
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
GENERAL
Intentionally left blank
A330/A340 FLEET DSC-26-10 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
ENGINE AND APU - DESCRIPTION
A330/A340 FLEET DSC-26-20-10 P 1/4
FCOM 19 AUG 10
DETECTION
Applicable to:
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 :
‐ Four sensing elements for each engine, located in the pylon nacelle, in the engine core and in the
engine fan sections.
‐ 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, it triggers 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.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
ENGINE AND APU - DESCRIPTION
A330/A340 FLEET DSC-26-20-10 P 2/4
FCOM 19 AUG 10
DETECTION
Applicable to: ,
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 :
‐ Five sensing elements for each engine, located in the pylon nacelle, in the engine core,
compressor and fan sections.
‐ 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, it triggers 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
　
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