W DOC AIRBUS | AMM A320F

ESCAPE FACILITIES - CABIN - DESCRIPTION AND OPERATION


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1. General
The cabin escape facilities are installed at all aircraft exits as dual-lane or single-lane escape-slides. In an emergency, they let the passengers and the crew go out of the aircraft quickly.
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2. Component Location
FIN FUNCTIONAL
DESIGNATION
PANEL ZONE ACCESS
DOOR
ATA REF
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7506MM RESERVOIR ASSY OWS L 150 25-62-46
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7504MM ESCAPE SLIDE OFFWING L 193AT 200 25-62-42
7505MM ESCAPE SLIDE OFFWING R 194AT 200 25-62-42
7507MM RESERVOIR ASSY OWS R 152KW 150 25-62-46
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7500MM ESCAPE SLIDE FWD L 831 25-62-44
7501MM ESCAPE SLIDE FWD R 841 25-62-44
7502MM ESCAPE SLIDE AFT L 832 25-62-44
7503MM ESCAPE SLIDE AFT R 842 25-62-44
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7506MM RESERVOIR ASSY OWS L 151KW 150 25-62-46
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7681MM ESCAPE SLIDE OWE (LH) 200 25-62-42
7682MM ESCAPE SLIDE OWE (RH) 200 25-62-42
7685MM RESERVOIR ASSY OWS LH (ACT) 200 25-53-51
7686MM RESERVOIR ASSY OWS RH (ACT) 200 25-53-51
7691MM ESCAPE SLIDE DOOR 3LH 200 25-62-47
7692MM ESCAPE SLIDE DOOR 3RH 200 25-62-47
7693MM RESERVOIR ASSY DOOR 3LH 200 25-62-49
7694MM RESERVOIR ASSY DOOR 3RH 200 25-62-49
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7774MM PRESSURE BOTTLE DOOR 2LH 200 25-62-49
7775MM PRESSURE BOTTLE DOOR 2RH 200 25-62-49
7776MM PRESSURE BOTTLE DOOR 3LH 200 25-62-49
7777MM PRESSURE BOTTLE DOOR 3RH 200 25-62-49
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7770MM ESCAPE SLIDE FOR DOOR 2LH 100 25-62-47
7771MM ESCAPE SLIDE FOR DOOR 2RH 100 25-62-47
7772MM ESCAPE SLIDE FOR DOOR 3LH 100 25-62-47
7773MM ESCAPE SLIDE FOR DOOR 3RH 100 25-62-47
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7770MM ESCAPE SLIDE FOR DOOR 2LH 131BL 100 25-62-47
7771MM ESCAPE SLIDE FOR DOOR 2RH 132BR 100 25-62-47
7772MM ESCAPE SLIDE FOR DOOR 3LH 151BL 100 25-62-47
7773MM ESCAPE SLIDE FOR DOOR 3RH 152BR 100 25-62-47
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3. System Description
A. Door Escape Facilities
Single-lane escape-slides are installed at all cabin doors.
Single-lane escape-slides are installed at the forward and aft emergency doors, and dual-lane escape-slide rafts are installed at the forward and aft passenger/crew doors.
Single-lane escape-slides are installed at the aft emergency doors, and dual-lane escape-slide rafts are installed at the forward and aft passenger/crew doors.
Inflation starts automatically when the door is opened with the emergency control handle in the ARMED mode.
Manual inflation is possible after the door is opened.
The slide raft has a special move function that permits quick release from a damaged door, for subsequent inflation at a different door.
B. Offwing Escape Facilities
Dual-lane offwing escape-slides are installed above the wings in the left and right wing-to-fuselage fairings.
Inflation starts automatically when the emergency exit hatch is opened in the ARMED mode.
A manual inflation handle is installed at each emergency exit. You get access to the handle after the emergency exit hatch is removed.
C. Warning Systems
A door warning system is installed at each cabin exit (Ref. AMM D/O 52-70-00-00). Part of this system is the emergency-escape-slide warning-system (Ref. AMM D/O 52-73-00-00). This system has an indicator light and an optional buzzer, which show that the escape slide is in the ARMED position. The indicator light and the buzzer gives a warning to the person who tries to open a passenger/crew door or an emergency exit.
A warning light comes on immediately when an exit is opened in the ARMED mode. A warning sound operates in the cockpit.
D. Directional Guidance Lights
Directional guidance lights are installed on all escape facilities. They are attached to the longitudinal supports and across the bottom of each inflatable assembly.
E. Inflation Reservoir - Low Pressure Indication (Optional)
Pressure sensors are installed on all inflation reservoirs and are connected to the Cabin Intercommunication Data System (CIDS) (Ref. AMM D/O 23-73-00-00). Monitoring of the pressure is an optional function.
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4. Interface
The cabin escape facilities have interfaces with:
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A. Door Escape Facilities FIN: 7691-MM FIN: 7692-MM FIN: 7770-MM FIN: 7771-MM FIN: 7772-MM FIN: 7773-MM
The escape slide raft is made of two inflatable chambers, the upper chamber and the lower chamber. The chambers are attached together and each chamber inflates independently from the same inflation reservoir.
The wide escape slide is made of two inflatable chambers, the upper chamber and the lower chamber. The chambers are attached together and each chamber inflates independently from the same inflation reservoir.
The slide rafts have seating for:

  • Rated capacity 4 x 44 persons = 176 persons,
  • Overload capacity 3 x 55 persons = 165 persons (this result accepts that 1 slide raft will not inflate because of damage).
For customers with a seat layout capacity of more than 165 persons, supplemental life rafts (Ref. AMM D/O 25-66-00-00) are installed in the cabin.
A survival kit (Ref. AMM D/O 25-66-00-00) is supplied for each slide raft. They are kept in stowage compartments in the cabin.
NOTE: The survival kit for the supplemental life raft is kept in the supplemental life raft pack.
Each escape facility at the forward/aft passenger/crew doors has:
  • A pack assembly
  • An inflatable assembly
  • An inflation system
  • A decorative cover.
Each escape facility at the forward/aft passenger/crew doors has:
  • A two-chamber inflatable assembly
  • An inflation system
  • A pack assembly
  • A decorative cover.
Each escape facility at the forward/aft passenger/crew doors has:
  • An inflatable assembly
  • An inflation system
  • A pack assembly
  • A decorative cover.
Each escape facility at the forward/aft emergency doors has:
  • An inflatable assembly
  • An inflation system.
NOTE: The inflatable assembly and the inflation system are divided. The inflation reservoir is installed above the door, and the inflatable assembly is installed below the door.
Each escape facility at the aft emergency doors has:
  • An inflatable assembly
  • An inflation system.
NOTE: The inflatable assembly and inflation system are divided. The inflation reservoir is installed above the door, and the inflatable assembly is installed below the door.
(1) The inflatable assembly is made of urethane-coated nylon, which is not flammable. The material is cut into panels and bonded together to make the pneumatic tube assemblies and slipway areas.
(2) The two-chamber inflatable assembly is made of urethane-coated nylon, which is not flammable. The material is cut into panels and bonded together to make the pneumatic tube assemblies and slipway areas.
(3) The inflation system has:
  • An inflation reservoir (nitrogen/carbon dioxide)
  • A valve/regulator assembly
  • An aspirator.
(a) The inflation reservoir is made of seamless aluminum. A gage shows the inflation reservoir pressure through a window in the decorative cover.
(b) The valve/regulator assembly controls the gas flow from the inflation reservoir to the aspirator.
(c) The aspirator is made of fiber-reinforced plastic and has:
  • An inlet assembly
  • A flexible hose assembly
  • A flapper valve assembly.
1 The inflation reservoir supplies gas to the inflatable assembly through the aspirator inlet assembly when the inflation system is activated.
2 The flexible hose assembly connects the inflation reservoir to the inlet assembly.
3 Flapper valves in the aspirator operate as a one-way check valve for inlet air. The fast expansion of gas in the aspirator when the inflation system is activated causes the flapper valves to open. They open because of the induction effect from gas movement into the inflatable assembly and let ambient air into the aspirator. System inflation is faster when air and gas mix and decrease the size (capacity) necessary for the reservoir.
(4) The inflation system has:
  • An inflation reservoir (Nitrogen/Carbon Dioxide)
  • A valve/regulator assembly
  • Two aspirators.
(a) The inflation reservoir is made of seamless aluminum. A gage shows the inflation reservoir pressure through a window in the decorative cover.
(b) The valve/regulator assembly controls the gas flow from the inflation reservoir to the aspirators.
(c) The aspirators are made of fiber-reinforced plastic, each aspirator has:
  • An inlet assembly
  • A flexible hose assembly
  • A flapper valve assembly.
1 The inflation reservoir supplies gas to the inflatable assembly through the aspirator inlet assembly when the inflation system is activated.
2 The flexible hose assembly connects the inflation reservoir to the inlet assembly.
3 Flapper valves in the aspirator operate as a one-way check valve for inlet air. The fast expansion of gas in the aspirator when the inflation system is activated causes the flapper valves to open. They open because of the induction effect from gas movement into the inflatable assembly and let ambient air into the aspirator. System inflation is faster when air and gas mix and decrease the size (capacity) necessary for the reservoir.
(5) The inflation system has:
  • An inflation reservoir (Nitrogen/Carbon Dioxide)
  • A valve/regulator assembly
  • Two aspirators (one for each chamber at the forward/aft passenger/crew doors)
  • Two aspirators (forward/aft emergency doors).
NOTE: Only one aspirator (forward/aft emergency doors) operates. The other one is closed with a blister plug.
(a) The inflation reservoir is made of seamless aluminum.
At the forward/aft passenger/crew doors a gage shows the inflation reservoir pressure through a window in the decorative cover of the escape slide.
At the forward/aft emergency exits, access to the inflation reservoir pressure-gage is through the overhead stowage compartment.
(b) The valve/regulator assembly controls the gas flow from the inflation reservoir to the aspirator(s).
(c) Each aspirator is made of fiber-reinforced plastic and has:
  • An inlet assembly
  • A flexible hose assembly
  • A flapper valve assembly.
1 The inflation reservoir supplies gas to the inflatable assembly through the aspirator inlet assembly when the inflation system is activated.
2 The flexible hose assembly connects the inflation reservoir to the inlet assembly.
3 Flapper valves in the aspirator operate as a one-way check valve for inlet air. The fast expansion of gas in the aspirator when the inflation system is activated causes the flapper valves to open. They open because of the induction effect from gas movement into the inflatable assembly and let ambient air into the aspirator. System inflation is faster when air and gas mix and decrease the size (capacity) necessary for the reservoir.
(6) The inflation system has:
  • An inflation reservoir (Nitrogen/Carbon Dioxide)
  • A valve/regulator assembly
  • One aspirator (forward/aft passenger/crew doors)
  • One aspirator (forward/aft emergency doors).
(a) The inflation reservoir is made of seamless aluminum.
At the forward/aft passenger/crew doors a gage shows the inflation reservoir pressure through a window in the decorative cover of the escape slide.
At the forward/aft emergency exits, access to the inflation reservoir pressure-gage is through the overhead stowage compartment.
(b) The valve/regulator assembly controls the gas flow from the inflation reservoir to the aspirator.
(c) The aspirator is made of fiber-reinforced plastic and has:
  • An inlet assembly
  • A flexible hose assembly
  • A flapper valve assembly.
1 The inflation reservoir supplies gas to the inflatable assembly through the aspirator inlet assembly when the inflation system is activated.
2 The flexible hose assembly connects the inflation reservoir to the inlet assembly.
3 Flapper valves in the aspirator operate as a one-way check valve for inlet air. The fast expansion of gas in the aspirator when the inflation system is activated causes the flapper valves to open. They open because of the induction effect from gas movement into the inflatable assembly and let ambient air into the aspirator. System inflation is faster when air and gas mix and decrease the size (capacity) necessary for the reservoir.
(7) The pack assembly holds the inflatable assembly and the inflation system in position on each door.
(8) At the forward/aft passenger/crew doors, the packboard assembly holds the inflatable assembly and the inflation system in position on each door.
At the forward/aft emergency doors, the pack assembly holds the inflatable assembly in position below the door. The pack assembly is in a stowage compartment in the fuselage.
(9) The decorative cover protects the pack assembly when it is installed on the door. It has a color scheme that agrees with the cabin interior.
(10) At the forward/aft passenger/crew doors, a decorative cover protects the pack assembly when it is installed on the door. It has a color scheme that agrees with the cabin interior.
B. Offwing Escape Facilities
(1) The offwing escape-slides are made of the same materials as the door escape-slides. The slide pack is in a stowage compartment, and the stowage compartment attach-panel completes the wing-to-fuselage fairing assembly, left and right. Access to the offwing escape-slides is through the emergency exits. Each assembly has a ramp platform and a dual-lane slide. The ramp platform has an inflatable ramp rail to guide the passengers and crew onto the slide.
(2) The inflation reservoirs are installed in the aft cargo compartment, behind the sidewall panels in sub-zone 150. Each inflation reservoir includes a pressure gage and a valve/regulator assembly. The valve/regulator assembly is connected to the release mechanism of an emergency exit with release cables. The release mechanism operates when one of the emergency exits is opened.
(3) The inflation procedures for the offwing escape-slides are similar to the door escape-slides.
(4) The offwing escape slides are made of the same materials as the door escape slides. The escape slide packs are installed in the stowage compartments. The attach panels of the stowage compartments are a part of the left and the right wing-to-fuselage fairing assemblies. Access to the offwing escape slides is through the emergency exits. Each offwing escape slide has a ramp platform and a dual-lane slide. The ramp platform has an inflatable ramp rail that allows the passengers and the crew to move onto the offwing escape slide.
(5) The inflation reservoirs are installed in the overhead stowage compartment between FR47 and FR47.2. Each inflation reservoir includes a pressure gage and a valve/regulator assembly. The valve/regulator assembly is connected to the release mechanism of an emergency exit with the release cables. The release mechanism operates when one of the emergency exits opens.
(6) The inflation procedure for the offwing escape slides is almost the same as the inflation procedure for the door escape slides.
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6. Operation/Control and Indicating
A. Door Escape Facilities
(1) When the emergency control handle is set to ARMED, the girt bar connects the inflatable assembly to the floor attach fittings.
As the door opens, the outboard movement of the door pulls the inflatable assembly from the packboard assembly. As the inflatable assembly is released, it starts to fall and a lanyard pulls the reservoir valve (of the valve/regulator assembly) to open. The reservoir gas supply starts to flow through the flexible hose and the aspirator inlet assembly. The inflation procedure completes in approximately 3.5s.
(2) At the forward/aft passenger/crew doors, when the emergency control handle is set to ARMED, the girt bar connects the inflatable assembly to the floor attach fittings.
As the door opens, the outboard movement of the door pulls the inflatable assembly from the packboard assembly. As the inflatable assembly is released, it starts to fall and a lanyard pulls the reservoir valve (of the valve/regulator assembly) to open. The reservoir gas supply starts to flow through the flexible hose and the aspirator inlet assembly.
At the forward/aft emergency doors, when the emergency control handle is set to ARMED, the door release lever is set to engage the slide release mechanism. As the door opens, the outboard movement of the door hits the release mechanism and starts inflation. The inflation procedure completes in approximately 3s.
(3) If the automatic inflation system does not operate, the reservoir valve (of the valve/regulator assembly) can be opened with the manual inflation handle.
The manual inflation handle is installed on the girt assembly, and is identified with a RED label with the word PULL.
(4) If the automatic inflation system does not operate, the reservoir valve (of the valve/regulator assembly) can be opened with the manual inflation handle.
The manual inflation handle is installed:
  • At the forward/aft passenger/crew doors on the girt assembly, and is identified with a RED label with the word PULL.
  • At the forward/aft emergency exit doors, in the top right corner of the door, and is identified with a RED handle with the word PULL.
NOTE: The door must be open, to get access to the manual inflation handle at the forward/aft emergency exit door.
(5) The directional guidance lights come on automatically during the inflation procedure. Electrical power for the lights is supplied from the cabin emergency-lighting system (Ref. AMM D/O 33-51-00-00).
(6) If an over-water emergency exists, the survival kits (Ref. AMM D/O 25-66-00-00) must be removed from their stowages and attached to each slide raft. They are connected with a snap-hook to the survival kit attach-loop on the slide raft girt. The snap-hook is installed on the survival kit pack.
(7) At the forward/aft emergency doors, a re-entry line can optionally be installed on the slide to assist crew members to re-enter the aircraft after evacuation, if necessary.
The re-entry line is attached to the sill tube, adjacent to the girt. It is held with velcro strips on one side of the slide assembly: forward at the forward emergency door, aft at the aft emergency door (when you look at the inflated assembly from the bottom).
B. Offwing Escape Facilities
(1) The offwing escape-slide inflates when you remove one of the emergency exit hatches. When the exit hatch is removed, the hatch latch-pin engages a release lever installed in the exit fuselage frame. Movement of the release lever causes a tension in the release cable which opens the reservoir valve (of the valve/regulator assembly). The initial gas supply releases the blow-out door installed in the stowage compartment attach-panel. It then inflates the offwing escape-slide through the flexible hose and aspirator inlet assembly. The inflation procedure completes in approximately 5s.
(2) If the automatic inflation system does not operate the reservoir valve (of the valve/regulator assembly) can be opened with the manual inflation handle. The manual inflation handle is red and can be seen when the emergency exit hatch is removed.
(3) The directional guidance lights come on automatically during the inflation procedure. Electrical power for the lights is supplied from the cabin emergency-lighting system (Ref. AMM D/O 33-51-00-00).
[Rev.10 from 2021] 2026.04.01 05:36:22 UTC