Originally Posted by
Old Boeing Driver
Some aircraft initiate an emergency descent when certain events are sensed.
I don't know if this plane, or any of the newer Boeings or Buses are so equipped.
As an example, the Gulfstream 450-650 models automatically initiate an emergency descent to 15,000 and slow there to 250kts if a cabin depressurization occurs at altitude. It also changes heading by 90 degrees.
This happens provided the A/P and the auto-throttles are on.
Thankyou Old Boeing Driver- I have never heard of his feature, it certainly is not a feature of any aircraft I have flown, ie, A380 or -400