Conversion 4
If a decompression occurs, how can the CC know that the pilots are aware of the situation? -
ANSThe CC heard "N1 to the flight deck" or will feel the emergency descent.
Which setting must be used on the Quick don O2 mask if a pilot is found incapacitated after
decompression? - ANSEmergency.
How many Quick don O2 mask are located in the flight deck? - ANS4.
How would you manually open the compartment containing the O2 drop down masks above
each of the mains doors? - ANS- With an ID/Credit card.
How is the passenger and CC O2 system activated Electrically? - ANS- By a switch in the
flight deck (switching the passengers oxygen from normal to on)..
At which cabin altitude will O2 mask drop down Automatically? - ANS14,000 feet.
Where can the drop down O2 mask be found in the cabin and how many of them in each
location are there? - ANS- 4 mask in the PSU per seat row.
- 2 mask in each toilet.
- 2 mask above each main doors.
How many drop down O2 mask can be found above each main door? - ANS2 mask.
How many drop O2 mask can be found in each PSU? - ANS4 mask.
If there is a loss of cabin pressure and the passenger oxygen mask deploy during the flight,
what would you do? - ANSGrab the nearest oxygen mask, and shout the passengers to do
the same.
What is the time of useful consciousness at 40,000 feet? - ANS18 sec.
When does advanced Hypoxia occur and what are the symptoms? - ANSAt 14,000 feet.
- Headache.
- Tiredness.
- Blurred vision.
- Loss of muscular coordination and
- Posible personality change.
Which factors will have a direct influence on the effects of Hypoxia? - ANS- The altitude
reach.
- Rate of ascent.
- Duration of exposure.
- Individual tolerance.
, - Physical fitness.
- Physical activity.
- Psychological factors.
- Environmental temperature.
- Alcohol and smoking.
- Medical conditions.
What altitude does Extreme Hypoxia occur at? - ANS20,000 feet.
What altitude does Mild Hypoxia occur at? - ANS10,000 feet.
Headache, tiredness, burred vision, loss of muscular co-ordination, and possible personality
changes are symptoms of? - ANSAdvanced Hypoxia.
What are the symptoms of Mild Hypoxia? - ANS- Headache.
- Yawing.
- Occasional deep breath.
What are the material defects of a rapid decompression? - ANS- Aloud explosive noise.
- Air rising towards the failure (the hole) carrying loose article, papers, dust etc.
- A dense fog will form in the cabin momentarily as the moisture held in the cabin condense.
- Hot liquids will suddenly boil over (risk of scalding) doe to the reduced boiling point.
- Oxygen mask will drop dow.
- Fasten seatbelts sign will illuminates.
What is a rapid decompression? - ANSThis is a sudden loos of cabin pressure , which takes
less than 10 sec. to equalize with the outside pressure.
What is a Slow decompression? - ANSThis is a gradual loss of cabin pressure, which can
take more than 10 sec. to equalize with the outside pressure.
At cruising altitude 0f 37,000 ft a/c need to be pressurized for us to be able to breath, to what
altitude is a/c pressurised? - ANS6,000-8,000 ft.
At which altitude does extreme Hypoxia occur and what are the Symptoms? - ANS20,000 ft.
- Convulsion.
- Colapse.
- Coma.
- Possible death within minutes.
Decompression. What should the N2 do upon hearing "N1 to the flight deck"? - ANS- Stow
the trolleys and go to the FD galley.
- Make a no smoking and reassurance PA.
For how long will the generator produce the oxygen for passengers and crew? - ANS12 min.
What are the physical effects of a rapid decompression? - ANS- Severe ear and sinus pain.
- Chest and joint pain caused by nitrogen bubbles in the blood expanding.
If a decompression occurs, how can the CC know that the pilots are aware of the situation? -
ANSThe CC heard "N1 to the flight deck" or will feel the emergency descent.
Which setting must be used on the Quick don O2 mask if a pilot is found incapacitated after
decompression? - ANSEmergency.
How many Quick don O2 mask are located in the flight deck? - ANS4.
How would you manually open the compartment containing the O2 drop down masks above
each of the mains doors? - ANS- With an ID/Credit card.
How is the passenger and CC O2 system activated Electrically? - ANS- By a switch in the
flight deck (switching the passengers oxygen from normal to on)..
At which cabin altitude will O2 mask drop down Automatically? - ANS14,000 feet.
Where can the drop down O2 mask be found in the cabin and how many of them in each
location are there? - ANS- 4 mask in the PSU per seat row.
- 2 mask in each toilet.
- 2 mask above each main doors.
How many drop down O2 mask can be found above each main door? - ANS2 mask.
How many drop O2 mask can be found in each PSU? - ANS4 mask.
If there is a loss of cabin pressure and the passenger oxygen mask deploy during the flight,
what would you do? - ANSGrab the nearest oxygen mask, and shout the passengers to do
the same.
What is the time of useful consciousness at 40,000 feet? - ANS18 sec.
When does advanced Hypoxia occur and what are the symptoms? - ANSAt 14,000 feet.
- Headache.
- Tiredness.
- Blurred vision.
- Loss of muscular coordination and
- Posible personality change.
Which factors will have a direct influence on the effects of Hypoxia? - ANS- The altitude
reach.
- Rate of ascent.
- Duration of exposure.
- Individual tolerance.
, - Physical fitness.
- Physical activity.
- Psychological factors.
- Environmental temperature.
- Alcohol and smoking.
- Medical conditions.
What altitude does Extreme Hypoxia occur at? - ANS20,000 feet.
What altitude does Mild Hypoxia occur at? - ANS10,000 feet.
Headache, tiredness, burred vision, loss of muscular co-ordination, and possible personality
changes are symptoms of? - ANSAdvanced Hypoxia.
What are the symptoms of Mild Hypoxia? - ANS- Headache.
- Yawing.
- Occasional deep breath.
What are the material defects of a rapid decompression? - ANS- Aloud explosive noise.
- Air rising towards the failure (the hole) carrying loose article, papers, dust etc.
- A dense fog will form in the cabin momentarily as the moisture held in the cabin condense.
- Hot liquids will suddenly boil over (risk of scalding) doe to the reduced boiling point.
- Oxygen mask will drop dow.
- Fasten seatbelts sign will illuminates.
What is a rapid decompression? - ANSThis is a sudden loos of cabin pressure , which takes
less than 10 sec. to equalize with the outside pressure.
What is a Slow decompression? - ANSThis is a gradual loss of cabin pressure, which can
take more than 10 sec. to equalize with the outside pressure.
At cruising altitude 0f 37,000 ft a/c need to be pressurized for us to be able to breath, to what
altitude is a/c pressurised? - ANS6,000-8,000 ft.
At which altitude does extreme Hypoxia occur and what are the Symptoms? - ANS20,000 ft.
- Convulsion.
- Colapse.
- Coma.
- Possible death within minutes.
Decompression. What should the N2 do upon hearing "N1 to the flight deck"? - ANS- Stow
the trolleys and go to the FD galley.
- Make a no smoking and reassurance PA.
For how long will the generator produce the oxygen for passengers and crew? - ANS12 min.
What are the physical effects of a rapid decompression? - ANS- Severe ear and sinus pain.
- Chest and joint pain caused by nitrogen bubbles in the blood expanding.
