Fire Extinguisher Usage
Each class of fire calls for specialized action. Using the wrong extinguisher may do more harm than good. For your own protection, you should know these basic types, how to use them, and why.
CLASS OF FIRES There are three common classes of fire: EXTINGUISHER TYPE
CLASS A MATERIALS certain plastics, etc., where quenching by water is effective. COMBUSTABLE - paper, wood, fabric, rubber, TYPE Water (H O) saturates material and prevents rekindling. 2 A
CLASS fats, etc., where smothering LIQUIDS paints, burning liquids, cooking action is required. B FLAMMABLE - gasoline, oils, greases, solvents, TYPE B BCF (Halon 1211)
CLASS electronic equipment, or fires inELECTRICAL LIVE - fires started by short circuit or faulty wiring in electrical, NOTE: Whenever possible, electrical equipment should be de-energized before attacking a class C fire. motors, switches, galley equipment, C extinguisher agent is required. etc., where a nonconducting TYPE C BCF (Halon 1211)
WARNING: THE WRONG EXTINGUISHER ON A FIRE COULD DO MORE HARM THAN GOOD. FOR
EXAMPLE,
B
RATED EXTINGUISHER IS NOT AS EFFECTIVE AS H2O ON A CLASS
FIRE. WATER ON FLAMMABLE LIQUID FIRES SPREAD THE FIRE. WATER ON A LIVE ELECTRICAL FIRE COULD CAUSE SEVERE SHOCK OR DEATH.
WARNING: The concentrated agent, or the by-products created by the heat of the fire, are toxic when inhaled.
WARNING: If a fire extinguisher is to be discharged in the flight deck, then all crewmembers are to wear oxygen masks and use 100% oxygen with emergency selected.
Copyright . The Boeing Company. See title page for details.
1.40.26 September 27, 2004
Airplane General, Emergency Equipment, Doors, Windows -Systems Description
Emergency Equipment Symbols
C D F C B
EXTINGUISHER CO2 EXTINGUISHER WATER EXTINGUISHER DRY CHEMICAL BCF EXTINGUISHER
PORTABLE PORTABLE DISPOSABLE FULL FACE SMOKE
OXYGEN BOTTLE OXYGEN BOTTLE OXYGEN MASK OXYGEN MASK HOOD
WITH SMOKE
MASK ATTACHED
EXIT PATH EXIT PATH EXIT PATH LIFE RAFT EMERGENCY
WITHOUT ESCAPE WITH ESCAPE WITH ESCAPE TRANSMITTER
STRAP STRAP SLIDE
LIFE PROTECTIVE SMOKE CRASH MEGAPHONE BATON AED VEST GLOVES GOGGLES AXE
HANDCUFFS FLASHLIGHT EMERGENCY FIRST AID PORTABLE RESUSCITATOR MEDICAL KIT KIT EXIT LIGHT
NOTE: SOME SYMBOLS DO NOT APPLY TO ALL CONFIGURATIONS.
Copyright . The Boeing Company. See title page for details.
September 27, 2004 1.40.27
Airplane General, Emergency Equipment, Doors, Windows -Systems Description
737 Flight Crew Operations Manual
Emergency Equipment Locations
YA613
F C B (4) (4)
AT EACH ATTENDANT SEAT LA AA G1 C (2) (2) 2 O F C B
A = ATTENDANT SEAT L = LAVATORY G = GALLEY UNDER EACH PAX SEAT
(2)
2 O
F C B LELD AA A G4B 2 O H
AT EACH ATTENDANT SEAT
Copyright . The Boeing Company. See title page for details.
1.40.28 September 27, 2004
Airplane General, Emergency Equipment, Doors, Windows -Systems Description
737 Flight Crew Operations Manual
YA626
F C B (4) (4)
AT EACH ATTENDANT SEAT LA AA G1 (2) (2) 2 O F C B
A = ATTENDANT SEAT L = LAVATORY G = GALLEY UNDER EACH PAX SEAT
(2) 2 O
F C B LELD AA A G4B 2 O H
AT EACH ATTENDANT SEAT
Copyright . The Boeing Company. See title page for details.
September 27, 2004 1.40.29
Airplane General, Emergency Equipment, Doors, Windows -Systems Description
737 Flight Crew Operations Manual
YA686, YA687
F C B (4) (4)
AT EACH ATTENDANT SEAT LA AA G1 (2) (2) 2 O F C B
UNDER EACH PAX SEAT
(2) 2 O
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