Aircraft Emergency Oxygen Mask Usage

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What is the purpose of the slide arming lever on the aircraft door?

To arm and disarm the slideraft (correct)

To join the door with the aircraft structure

To lock or unlock the doors from inside or outside of the aircraft

To secure the crew during door operation

Why must the plastic cover of the slide arming lever be closed during all phases of the flight?

To prevent the access to the cabin pressure indicator

To secure the crew during door operation

To activate the door locking indicators

To prevent inadvertent movement of the lever (correct)

What is the function of the safety pin in relation to the slide arming lever?

To join the door with the aircraft structure

To secure the slide arming lever in the disarmed position (correct)

To lock or unlock the doors from inside or outside of the aircraft

To secure the crew during door operation

Which part prevents the re-installation of the safety pin when the slide arming lever is armed?

Safety pin hole Signup and view all the answers

What is the purpose of the hinge arm in relation to the aircraft door?

To join the door with the aircraft structure Signup and view all the answers

When is the cabin pressure indicator off?

When the cabin pressure differential is normal Signup and view all the answers

What do the frame assist handles do in relation to the door operation?

Secure the crew during door operation Signup and view all the answers

Where are the door locking indicators located?

On each door control handle Signup and view all the answers

What part of a door assists in moving it?

Door assist handles Signup and view all the answers

What is the purpose of the intermediate restraint tie device?

To keep the slide raft at approximately one third of its extended length Signup and view all the answers

How long does the time of inflation for the slide raft last?

Up to six (6) seconds Signup and view all the answers

What happens when the intermediate restraint tie device releases?

The slide raft extends to its full length to touch the ground Signup and view all the answers

Where is the manual inflation handle located?

On the right side of the girt extension Signup and view all the answers

What is the purpose of the speed lacing?

To release the slide raft from the packboard Signup and view all the answers

What happens when the packboard falls below the door sill?

The speed lacing releases Signup and view all the answers

What is the purpose of the inflation cable?

To actuate the regulator valve Signup and view all the answers

What is the rated capacity of the Door 4 Dual Lane Slide Raft?

62 passengers Signup and view all the answers

What is the first step to disconnect the slide raft from the aircraft?

Disconnect the girt from the aircraft Signup and view all the answers

What is the purpose of the Display-Based Passenger Sign?

Displaying passenger signs to crew rest occupants Signup and view all the answers

What is the main function of the loudspeaker in the crew rest compartment?

Transmitting announcements and messages from crew members or flight crew Signup and view all the answers

Where is the emergency light typically installed?

On the ceiling to illuminate the area Signup and view all the answers

What triggers the smoke detector installed in the cabin crew rest compartment?

Smoke in the area where it is installed Signup and view all the answers

What is considered the primary evacuation path in case of an emergency in the crew rest compartment?

Through the door Signup and view all the answers

When might a second evacuation path through the emergency hatch be used?

If the way through the door is blocked, for example, by a fire Signup and view all the answers

What feature helps identify the location of the emergency hatch inside the CCRC?

A sealing seam on the emergency hatch carpet piece Signup and view all the answers

What does the loudspeaker transmit during flights?

Announcements/messages and acoustic warning signals in abnormal situations Signup and view all the answers

What triggers an alert from the smoke detector to both flight and cabin crews?

Smoke detected in its installed area Signup and view all the answers

What action initiates the supply of oxygen and inflation of the mask harness?

Squeezing the red grips towards each other Signup and view all the answers

How is the mask harness deflated and the mask kept in position?

By releasing the red grips Signup and view all the answers

What is the purpose of the removable film on the mask visor?

To protect the visor against scratches Signup and view all the answers

What is the first step in removing and stowing the mask?

Squeeze the grips to inflate the harness Signup and view all the answers

What is the purpose of pressing the TEST/RESET button when removing and stowing the mask?

To disconnect the mask from the audio system Signup and view all the answers

At what cabin altitude do the Fasten Seatbelts, No Smoking, and Exit signs come on automatically in an A330/A350 aircraft?

$9,550$ feet Signup and view all the answers

What type of warning is given in the flight deck when the cabin altitude reaches a critical level?

A continuous repetitive chime Signup and view all the answers

What is the purpose of pressing the EMERGENCY selector when removing and stowing the mask?

To check if the oxygen flow indicator remains black Signup and view all the answers

What is the final step in removing and stowing the mask?

Press the EMERGENCY selector and check the oxygen flow indicator Signup and view all the answers

What is the purpose of the truss straps?

To provide structural support to the inflatable structure Signup and view all the answers

What is the function of the LED lighting system on the escape slides?

To provide lighting to the sliding surface during nighttime or low visibility conditions Signup and view all the answers

What is the purpose of the Inflatable Free Aisle Restrictor (IFAR)?

To prevent more than one person from accessing the slide raft at a time Signup and view all the answers

How does the deployment and inflation of the slide raft initiate?

Automatically when the door is opened in ARMED mode Signup and view all the answers

What triggers the packboard to be pulled from the door during the deployment of the slide raft?

The girt tension Signup and view all the answers

Where is the survival pack located on the escape slides?

Under the head end of the slide raft Signup and view all the answers

What is the purpose of the deceleration strips on the escape slides?

To decrease the speed of evacuees before ground contact, reducing the risk of injury Signup and view all the answers

Where can the details of the survival pack contents be found?

In the Safety Emergency Procedures Manual (SEPM) Signup and view all the answers

What is the purpose of the truss tube on the escape slides?

To provide structural support for the inflatable structure Signup and view all the answers

Aircraft Emergency Oxygen Mask Usage

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Questions and Answers

What is the purpose of the slide arming lever on the aircraft door?

Why must the plastic cover of the slide arming lever be closed during all phases of the flight?

What is the function of the safety pin in relation to the slide arming lever?

Which part prevents the re-installation of the safety pin when the slide arming lever is armed?

What is the purpose of the hinge arm in relation to the aircraft door?

When is the cabin pressure indicator off?

What do the frame assist handles do in relation to the door operation?

Where are the door locking indicators located?

What part of a door assists in moving it?

What is the purpose of the intermediate restraint tie device?

How long does the time of inflation for the slide raft last?

What happens when the intermediate restraint tie device releases?

Where is the manual inflation handle located?

What is the purpose of the speed lacing?

What happens when the packboard falls below the door sill?

What is the purpose of the inflation cable?

What is the rated capacity of the Door 4 Dual Lane Slide Raft?

What is the first step to disconnect the slide raft from the aircraft?

What is the purpose of the Display-Based Passenger Sign?

What is the main function of the loudspeaker in the crew rest compartment?

Where is the emergency light typically installed?

What triggers the smoke detector installed in the cabin crew rest compartment?

What is considered the primary evacuation path in case of an emergency in the crew rest compartment?

When might a second evacuation path through the emergency hatch be used?

What feature helps identify the location of the emergency hatch inside the CCRC?

What does the loudspeaker transmit during flights?

What triggers an alert from the smoke detector to both flight and cabin crews?

What action initiates the supply of oxygen and inflation of the mask harness?

How is the mask harness deflated and the mask kept in position?

What is the purpose of the removable film on the mask visor?

What is the first step in removing and stowing the mask?

What is the purpose of pressing the TEST/RESET button when removing and stowing the mask?

At what cabin altitude do the Fasten Seatbelts, No Smoking, and Exit signs come on automatically in an A330/A350 aircraft?

What type of warning is given in the flight deck when the cabin altitude reaches a critical level?

What is the purpose of pressing the EMERGENCY selector when removing and stowing the mask?

What is the final step in removing and stowing the mask?

What is the purpose of the truss straps?

What is the function of the LED lighting system on the escape slides?

What is the purpose of the Inflatable Free Aisle Restrictor (IFAR)?

How does the deployment and inflation of the slide raft initiate?

What triggers the packboard to be pulled from the door during the deployment of the slide raft?

Where is the survival pack located on the escape slides?

What is the purpose of the deceleration strips on the escape slides?

Where can the details of the survival pack contents be found?

What is the purpose of the truss tube on the escape slides?

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