b737-300/400 aircraft general

of 29PT. METRO BATAVIAPT. METRO BATAVIADirectorate of OperationalDirectorate of Operational

737-300/400737-300/400AIRCRAFT GENERALAIRCRAFT GENERAL

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Dimensions94’-9”

(28.88m)

41’-8”(12.70m)

17’-2”(5.23m)


DimensionsBody Length : -400 = 115’,7” -500 = 95’, 7”Wheel Base : -400 = 46’,10” -500 = 40’,10”

Over Length : -400 = 119’,7” , -500 = 97’,7” , -300 = 109’,7”

105’-7”(32.18m)

40’-10”(12.45m)

13’-2”(4.01m)

36’-6”(11.13m)


Panel ArrangementSpeaker

Forward Overhead Panel

Lightshield

Captain Instrument Panel

Forward Electronic Panel

Aft Electronic Panel

Control Stand Manual Gear Release

First Officer Instrument Panel

Center Instrument Panel

Map Light

Escape Strap Stowage

Aft Overhead Panel


Panel Arrangement

Crew Oxygen Shutoff Valve

P6-1NAV, INST,& COMM

P6-2SYSTEMS

P6-3FUEL SYSTEM& LIGHTING

P6-6 P6-5 P6-4

P6-12 P6-11#2 GEN #1 GENBUS BUS

P18-3ANTI-ICELIGHTING

P18-2INST & COMM

P18-1NAV

White Dome Lights

Fire Extinguisher

Manual Gear Release

Observers Seats Rain Repellent

System (if installed)

P18-4

P18-5

Coat Stowage

Observer Hand Mike


Exterior LightingTaxi Light (white, nose gear)

Runway Turnoff Lights (white)

Fixed Landing Lights (white)

Upper and Lower Anti-Collision Light (red strobe light)

Strobe Light (white)

Position Lights (red and white)

Logo Light (white)

Retractable Landing Light (white)


Retractable Landing Light (white)

Logo Light (white)

Position Lights (green and white)


Runway Turnoff Lights (white)

Fixed Landing Lights (white)

Wing Illumination Lights (white)


Emergency Exit Lights SwitchEmergency Exit Lights Switch


Emergency Exit Lights SwitchEmergency Exit Lights SwitchEMER EXIT LIGHTS Switch:EMER EXIT LIGHTS Switch:OFF –OFF –Prevents emergency lights system operation if Prevents emergency lights system operation if airplane electrical power fails or is turned off.airplane electrical power fails or is turned off.

ARMED (guarded position) –ARMED (guarded position) –All emergency exit lights automatically All emergency exit lights automatically illuminate if electrical power to DC bus 1 fails illuminate if electrical power to DC bus 1 fails or AC power is turned off.or AC power is turned off.

ON –ON –All emergency exit lights illuminate.All emergency exit lights illuminate.


Emergency Exit Lights SwitchEmergency Exit Lights SwitchNOT ARMED Light:NOT ARMED Light:Illuminated –Illuminated –EMER EXIT LIGHTS switch not in EMER EXIT LIGHTS switch not in the ARMED position.the ARMED position.


Emergency Exit Lights SwitchEmergency Exit Lights SwitchEMER EXIT Switch:EMER EXIT Switch:(located on aft flight attendant’s panel)(located on aft flight attendant’s panel)

NORM (guarded position) –NORM (guarded position) –Emergency exit lights remain extinguished, Emergency exit lights remain extinguished, unless pilot’s EMER EXIT LIGHTS switch in unless pilot’s EMER EXIT LIGHTS switch in ARMED position with a loss of electrical power ARMED position with a loss of electrical power to DC bus 1 fails or AC power is turned off. to DC bus 1 fails or AC power is turned off. Emergency exit lights will also illuminate when Emergency exit lights will also illuminate when pilot’s EMER EXIT LIGHTS switch is pilot’s EMER EXIT LIGHTS switch is positioned to ON.positioned to ON.

ON –ON –All emergency exit lights illuminate. Overrides All emergency exit lights illuminate. Overrides position of pilot’s EMER EXIT LIGHTS switch.position of pilot’s EMER EXIT LIGHTS switch.


Emergency Exit LightingEmergency exit lights are located throughout the passenger cabin to indicate the approved emergency exit routes. Exterior emergency exit lights are installed to illuminate the escape slides and overwing escape routes. All emergency exit lights are controlled by either the pilot’s EMER EXIT LIGHTS switch or the flight attendant’s EMER EXIT switch.

Exterior EmergencyExit Lighting

Exit Locator Signs –Located in the passenger cabin ceiling.

Floor Proximity Aisle Locator Lights

Emergency Exit Signs –Located in the forward and aft lowered ceiling, in the center of the passenger cabin above the overwing escape hatches, and above each entry and service door.

Aisle Lights

Escape Slide Lighting

Integral Slide Lighting

Escape Slide Lighting


Halon Fire ExtinguisherHalon fire extinguishers contain a liquefied gas under pressure. When released, the liquefied gas agent vaporizes and extinguishes the fire. This type of extinguisher is effective on all types of fires; Class A, B or C. However, it is best utilized on Class B or C fires (electrical, fuel or grease).

Discharge Nozzle

Lever

Ring Safety Pin

Pressure Gauge

Handle


Water Fire ExtinguisherThe water fire extinguisher contains a solution of water mixed with antifreeze. When the extinguisher handle is rotated fully clockwise, the CO2 cartridge inside the handle is punctured and consequently pressurizes the extinguisher. The extinguisher should be used on Class A fires only (fabric, paper or wood).

Discharge Nozzle

Trigger Safety Wired

Handle


Oxygen PanelOxygen Panel


Oxygen PanelOxygen Panel

CREW OXYGEN:CREW OXYGEN:Indicates pressure at the crew Indicates pressure at the crew oxygen cylinder. oxygen cylinder.

A discharge indicator is located on A discharge indicator is located on the fuselage, slightly forward of the fuselage, slightly forward of the forward cargo compartment the forward cargo compartment door. The indicator is a small door. The indicator is a small plastic disc, green in color. If the plastic disc, green in color. If the disc is missing, this indicates that disc is missing, this indicates that the crew oxygen cylinder is empty the crew oxygen cylinder is empty due to a thermal discharge of the due to a thermal discharge of the cylinder.cylinder.

Note: The crew oxygen cylinder is Note: The crew oxygen cylinder is inside a housing compartment, inside a housing compartment, which is attached to the forward which is attached to the forward right sidewall in the forward cargo right sidewall in the forward cargo compartment.compartment.

See picture of See picture of oxygen cylinderoxygen cylinder

housing compartmenthousing compartment

See picture of See picture of green thermalgreen thermal

discharge indicatordischarge indicator


Oxygen PanelOxygen PanelPASS OXY ON:PASS OXY ON:Illuminated –Illuminated –Passenger oxygen system is Passenger oxygen system is operating and passenger operating and passenger masks have dropped from the masks have dropped from the Passenger Service Units Passenger Service Units (PSU). (PSU).

Note: This light Note: This light does notdoes not indicate if oxygen is flowing to indicate if oxygen is flowing to the passenger masks.the passenger masks.


Oxygen PanelOxygen PanelPASS OXYGEN Switch:PASS OXYGEN Switch:NORMAL (guarded position) –NORMAL (guarded position) –Passenger masks automatically Passenger masks automatically drop from PSU’s at a cabin altitude drop from PSU’s at a cabin altitude of approximately 14,000 feet.of approximately 14,000 feet.

ON –ON –Opens the PSU doors and the Opens the PSU doors and the passenger masks drop. Used as a passenger masks drop. Used as a backup if the automatic function backup if the automatic function fails.fails.


Crew Oxygen Mask Panel

See picture of See picture of crew oxygen crew oxygen shutoff valveshutoff valve

The flight crew oxygen system utilizes quick-donning diluter demand masks/regulators located at each crew station. Oxygen is supplied from a single cylinder located in the forward cargo compartment. Oxygen pressure is displayed on the indicator located on the aft overhead panel. Oxygen flow is controlled through a crew oxygen shutoff valve to a pressure-reducing regulator to supply low pressure oxygen to the mask. The crew oxygen shutoff valve is located next to the circuit breaker panels behind first officers seat.

Note: There are many different types of crew oxygen masks. The type installed in your aircraft may not necessarily match the type discussed in this presentation.



RESET TEST Lever:Slide down –If mask is stowed, activates oxygen flow momentarily to test the regulator on the mask.

Note: Indication of a successful regulator test is “yellow cross” visible in window.



RESET TEST Lever:Slide down –If mask is not stowed and stowage box doors are closed, shuts of oxygen flow to mask regulator.



Oxygen Flow Indicator:Indicates a yellow cross when oxygen is flowing to the mask.



Oxygen Mask Release Levers:Squeeze and pull –• Allows release of mask from stowage box.• Activates oxygen when stowage box doors open.• Inflates mask harness when right lever is squeezed.• Flow indicator shows a yellow cross momentarily as harness inflates.


Crew Oxygen Mask Regulator



NORMAL/100% Switch:N (normal) –Supplies air/oxygen mixture on demand (ratio depends on cabin altitude).

100% –Supplies 100% oxygen on demand.



EMERGENCY/Test Selector:Rotate (clockwise to white dot) –Supplies 100% oxygen under positive pressure at all cabin altitudes.

PRESS TO TEST –Tests positive pressure supply to mask regulator.


Passenger OxygenThe passenger oxygen system is supplied by individual chemical oxygen generators (one located in each PSU). Each PSU contains either 3 or 4 passenger oxygen masks. The masks will drop from the PSU’s automatically at a cabin altitude of approximately 14,000 feet or by positioning the PASS OXYGEN switch to ON. The chemical oxygen generator is activated when any mask is “pulled down”. Once the generator is activated, 100% oxygen will begin to flow to all masks (3 or 4). A green in-line flow indicator is visible in the transparent oxygen hose whenever oxygen is flowing to the mask. Oxygen will flow for approximately 12 minutes and cannot be shutoff.


Passenger Oxygen

Green In-Line Oxygen Flow Indicator

Chemical Oxygen Generator

Release Firing Pin

Generator LanyardOxygen Mask Lanyard

Passenger Service Unit (PSU)

Oxygen Mask Door (shown open)

Reservoir Bag

Mask

Oxygen Hose

Door Latch Mechanism


Oxygen System Schematic

(3 or 4 Masks)

O2G O2G

(2 Masks)ServiceUnits

Passenger Service Units Attendant Stations

Lavatories

14,000 footBarometricPressureSwitch

ThermalDischargePort (green disc)

CrewOxygenCylinder

CrewOxygenShutoffValveOxygen Mask

Pressure Reducer

of 29PT. METRO BATAVIAPT. METRO BATAVIADirectorate of OperationalDirectorate of Operational Slide 29 of 41

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