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electrical installation.
WARNING
-- Do not reset a tripped circuit breaker, because this may cause more
damage to the equipment, may affect other electrical equipment, may cause
an overheat and/or smoke.
-- Only use circuit breakers to perform approved procedures.
Cabin reports of tripped circuit breakers should be reported to the flight crew
immediately, and entered in the maintenance logbook.
TR1 A318/A319/A320/A321 FLEET CCOM Page 2 of 22
CABIN CREW OPERATING MANUAL
ABNORMAL/EMERGENCY PROCEDURES
FIRE PROTECTION
09.020
SEP 13/07
ALL
CLASSES OF FIRE
Class A fires involve the following types of material:
-- Wood
-- Cloth
-- Paper
-- Rubber
-- Plastic
Fires from these materials require the cooling effects
of quantities of water. Use a water extinguisher or
liquids containing a large quantity of water, (e.g. tea,
coffee, juice).
WARNING
Do not use liquids that have alcohol.
Class B fires involve flammable liquids, for example:
-- Oils
-- Grease
-- Aircraft fuel
-- Hydraulic fluid
-- Tar
-- Oil -based paints
-- Lacquers
-- Flammable gases
Fires from these materials require an extinguishing
agent that have a blanketing effect.
WARNING
Do not use a water extinguisher for class B fires.
Use a halon extinguisher.
TR1 A318/A319/A320/A321 FLEET CCOM Page 3 of 22
CABIN CREW OPERATING MANUAL
ABNORMAL/EMERGENCY PROCEDURES
FIRE PROTECTION
09.020
SEP 13/07
ALL
CLASSES OF FIRE (CONT’D)
Class C fires involve electrical equipment, for
example:
-- Coffeemakers,
-- Ovens
-- Wiring
-- Circuit breakers
WARNING
Do not use a water extinguisher on electrical
fires, because this may cause electric shock and
damage other electrical circuits. Use a halon
extinguisher.
A halon extinguisher would be required.
Class D fires involve combustible metals, for
example:
-- Magnesium
-- Titanium
-- Zirconium
-- Sodium
-- Lithium
WARNING
Do not use a halon extinguisher or water for a
class D fire.
Special dry powder extinguishers are used on these
types of fire, because of the possible chemical
reaction between the extinguishing agent and the
burning metal.
TR1 A318/A319/A320/A321 FLEET CCOM Page 4 of 22
CABIN CREW OPERATING MANUAL
ABNORMAL/EMERGENCY PROCEDURES
FIRE PROTECTION
09.020
SEP 13/07
ALL
CLASSES OF FIRE (CONT’D)
FIRE EXTINGUISHERS APPLICABLE TO EACH THE CLASS OF FIRE
The cabin crew should select the appropriate fire extinguisher according to the
type of fire, class A, B, C or D:
1. Carbon Dioxide Extinguisher - For class B or C fires
2. Water Extinguisher - For class A fires
3. Dry Chemical Extinguishers - For class A, B, or C fires
4. Halogenated Hydrocarbons (Halon or BCF) - For class A, B, or C
WARNING
When a halon extinguisher is used on a class A fire, the affected area
must be dampened with water afterward to prevent the fire from re-ignition.
5. Specialized Dry Powder Extinguishers - For class D fires.
TR1 A318/A319/A320/A321 FLEET CCOM Page 5 of 22
CABIN CREW OPERATING MANUAL
ABNORMAL/EMERGENCY PROCEDURES
FIRE PROTECTION
09.020
SEP 13/07
ALL
AWARENESS TO SMOKE IN HIDDEN AREAS
It is important for cabin crew to be aware of the potential sources of smoke
onboard the aircraft, and to familiarize themselves with these areas. This enables
crewmembers to determine the source of the smoke, and take immediate action:
-- Crown Area: This area is above the ceiling panels. This overhead area
includes wiring bundles, control surface cables, passenger emergency oxygen
system, parts of the air conditioning system, and components of the aircraft
In-Flight Entertainment System (IFE).
-- Dado Panels: These are the vents that are at the foot of the sidewall panels,
on each side of the passenger cabin. Most aircraft air conditioning systems
supply conditioned air from the cabin ceiling. This conditioned air then flows
from the top of the cabin to the bottom, exits via the return grills, and finally
leaves the aircraft via the outflow valves.
-- Triangle Area: This area is below the floor outboard of the cargo area. This
area hosts hydraulic lines, electrical components and wiring bundles.
TR1 A318/A319/A320/A321 FLEET CCOM Page 6 of 22
CABIN CREW OPERATING MANUAL
ABNORMAL/EMERGENCY PROCEDURES
FIRE PROTECTION
09.020
SEP 13/07
ALL
AWARENESS TO SMOKE IN HIDDEN AREAS
(CONT’D)
AIR DISTRIBUTION
　
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