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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