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Boeing
737-800
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ENGINES
The aircraft is powered by two turbofan engines in
wing-mounted engine pods.
Each engine develops
23.500 pounds ofthrust
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THE ENGINES PROVIDE:
1. AIR CONDITIONING
2. ELECTRICAL POWER (PLUGS, LIGHTS, OVENS AND
WATER BOILERS)
3. PRESSURIZATION (WATER RUNNING IN TOILETS
AND GALLEY FAUCETS)
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AUXILIARY POWER UNIT
APU
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The APU is an engine normally
mounted on the tail of the aircraft
When the aircraft is on ground theAPU provides, air conditioning,
electrical supply and air pressure.
APU open
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APU PROVIDES:
1. AIR CONDITIONING
2. ELECTRICAL POWER (PLUGS, LIGHTS, OVENS AND
WATER BOILERS)
3. PRESSURISATION (WATER RUNNING IN TOILETS
AND GALLEY FAUCETS)
To avoid debris ingestion in the APU, FUTURA cabin crewmembers must ask for permission to open door 2 R
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GROUND POWER UNIT(GPU)
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The GPU provides
electrical power
It is an external power
unit
ONLY
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GPU PROVIDES:
GPU DOES NOT PROVIDE AIR
CONDITIONING NOR PRESSURIZATION
ELECTRICAL POWER (PLUGS, LIGHTS, OVENS AND WATER BOILERS)
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AIR CONDITIONING
Cabin temperature is controlled
automtically to be maintained between 18
y 29 C, exactly at the level selected by the
pilots. Two sensors located in the passengercabin provide an indication of the
temperature. Passenger cabin and Cockpit
are controlled separately.
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Control temperature panel in Cockpit
Temperature sensor on one of
the racks
Inside temperature sensor inside one of
the racks
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CARGO HOLDS
REAR HOLD FRONT HOLD
This is the area of the fuselage below the passenger deck wherecargoand baggage are carried. It is pressurized, along with the rest
of the fuselage, and has heating and ventilation systemfor the area
designated to the carriage of live animals.
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Cabin crew control panels
There are two cabin crew control panels
One at the front, close to 1 L door
One at the rear, close to 2 L door
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AIR STAIR CONTROL PANEL
IT CAN BE OPERATED IN NORMAL AND
STANDBY MODE
IT IS OPERATED IN
NORMAL SYSTEM
AN STAIR OPERATING LIGHT
IS ILLUMINATED WHILE THE
AIR STAIR IS IN TRANSIT
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The COMMAND switch
initiates the alarm
The HORN SHUT
OFF switch cuts
off the sound of
the alarm
The EVACUATEswitch atthe Flight Deck panel must be
in ARMED position
Evacuate
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Entry lights
Ceiling lights
Window lights
WORK light
GROUND SERVICE switch
Cabin Lights
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Aft. attendants panel
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Potable water indicator
(the water level is shown
continously)Waste level
indicator
PRESS TO
TEST
Aft EVACUATE
Aft attendant control panel
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The minimum water level at the beginning
of a flight: FULL
There is no button to check
the water level. It is shown
continuously
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PASSENGER SERVICE UNITS
There are 2 attendant call button on each PSU
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POTABLE WATER TANK SUPPLIESWIHT WATER TO
COLD WATER TAPS
BOILERS
SINK TAPS
TOILETS
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SHUT OFF VALVES IN GALLEYS
IN THE AFT GALLEY
THE VALVE IS LOCATED
BESIDE DOOR 2R
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WASH BASIN CABINET
The water temperature can
be selected: LOW, MED Y
HIGH
The heater disconnects automatically at a preset very high temperature
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The water supply valve at each lavatory has 4 positions
SUPPLY/ON
FAUCET ONLYTOILET ONLY
OFF
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There is a drainage valve al the forward toilet. Do not
open it in flight as empties the potable water
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to verify the waste tankquantity status push the
PRESS TO TEST button (at
the rear panel)
If LAVS.INOP light illuminates it
means the waste tank is full and all
the lavatories are inoperative
Placard the lavatory as OUT OF ORDER
WASTE TANK
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When the CLEAN/CHECK SENSOR light
illuminates it means one of the waste tanksensors fails or is fouled
All the running water
from the lavatories goes
to the waste water tank
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TOILET FLUSH VALVE FAILS TO RESET
If flush valve fails to reset, close the toilet lid and pull the manual
shut-off handle located at the base of the toilet out. This closes theflush valve and stops the noise
Placard the toilet as INOPERATIVE
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All the waste water from the galleys and lavatory sinks is
drained overboard through heated drain masts. There are
2 heated drain masts
To prevent sink drain
blockages, do not pour any
milk or juice into them
Never pour liquid into the galley or
toilet sinks while the push-back
operation is on
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GALLEYS SUPPLIES
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Oven
Waste bin
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Table
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Ovens
Electrical Panel
Boilers
Water shut off valve
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BOILER
HOT
CUPOVENS
COLD
WATER
SINK
SHUT OFF VALVE
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There are 4 emergency windows located in the
passengers cabin, over the wings. The windows
can be opened from inside and outside
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Pull handle down and inward, door
opens out and up automatically
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There are 2 ecape straps in the passenger cabin, located at the emergency windows
17 A and 17 F
Escape straps are installed above each aft emergency exit frame. The overwing
emergency windows must be opened to expose the estraps.
To use the straps is pulled free from its stowage and attached to a ring on the top
surface of the wing
In a ditching situation, the escape strap can be used as a hand hold for
passengers to walk out on the wing and step into a life raft
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Escape Ropes
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Pull on the escape
rope to ensure it is
securely attached
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