Originally Posted by
M.Mouse
In the video the speaker says the cabin altitude warning goes off at around 13,500'? Is that correct. My experience of Boeings is that the warning sounds at a cabin altitude of 10,000' and the masks will drop automatically at 13,500'. Is the B737 different?
737 cabin altitude warning is triggered at 10,000ft (+/- 1000).
The altitude pressure switch releases the passenger oxygen mask automatically when cabin altitude is at or above 14000 feet.