AviationTire› Operational Procedures ›Special Operational Procedures And Hazards ›Decompression of pressurised cabin Q 4 / 5 ▾
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We would know that the automatic pressurization system has malfunctioned if:

  1. There is a change in environmental sounds.
  2. The cabin barometer indicates a sharp rise.
  3. The differential pressure between the exterior and the interior becomes equal.
The combination regrouping all the correct statements is:

1, 2
1, 2, 3
1, 3
2, 3