During flight, cabin pressurisation is lost, and CANNOT be restored before the cabin altitude reaches a critical value. Which of the actions below must the flight crew carry out, and in what order?
1. Declare an emergency.
2. Declare an emergency, asking for QNH information
3. Ask for QNH information.
4. Put on oxygen equipment
5. Initiate an immediate rapid descent to the minimum safe altitude or 10 000 ft, whichever
6. Initiate an immediate descent to the minimum safe altitude or 10 000 ft, whichever is higher, at a medium rate of descent to avoid decompression sickness.

Question

During flight, cabin pressurisation is lost, and CANNOT be restored before the cabin altitude reaches a critical value. Which of the actions below must the flight crew carry out, and in what order?

1. Declare an emergency.

2. Declare an emergency, asking for QNH information

3. Ask for QNH information.

4. Put on oxygen equipment

5. Initiate an immediate rapid descent to the minimum safe altitude or 10 000 ft, whichever

6. Initiate an immediate descent to the minimum safe altitude or 10 000 ft, whichever is higher, at a medium rate of descent to avoid decompression sickness.

Answer

First 4, followed by 5, then 2.

Answer

First 1, followed by 5, then 4, then 3.

Answer

First 5, followed by 4, then 2.

Answer

First 4, followed by 6, then 2.

Crowdly

During flight, cabin pressurisation is lost, and CANNOT be restored before the c...

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