MD-11 Flight Crew Operations Manual
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Fire Protection -
Controls and Displays
Fire.30.3
Cargo Fire Panel
1. MANUAL TEST Switch - blue
Push to test lower cargo smoke and heat detectors and agent discharge squibs.
MASTER WARNING, HEAT/SMOKE, FLOW DISAG, AGENT DISCH
LOW, and MANUAL TEST lights illuminate. Aural tone sounds. Related
alerts appear on the EAD and SD AIR synoptic.
2. AGENT DISCH Switch (4) - amber
FWD1 or AFT1 flashes amber when heat and/or smoke is detected in the
associated cargo compartment to alert the crew to discharge fire
extinguishing bottle 1.
FWD2 or AFT2 flashes amber to alert the crew to discharge bottle 2 when:
• heat and/or smoke is detected in the associated cargo compartment and
fire extinguishing bottle 1 pressure is low.
• 90 minutes have passed after bottle 1 has been discharged.
LOW illuminates amber when associated fire extinguishing bottle pressure is
low.
CARGO FIRE
HEAT
HEAT
TEST
MANUAL
FWD
FWD
FLOW
AFT
DISCH
AGENT
TEST
LOW
LOW
LOW
LOW
FWD 2
FWD 1
AFT 2
AFT 1
DISCH
AGENT
1
2
3
SMOKE
SMOKE
AFT OVERHEAD PANEL, LEFT SIDE
DISAG
OFF
4
DISAG
OFF
AFT
FLOW
DB1-2-1685
October 02, 2006
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