Great question — answering as the UphillTech team:
I was once on a flight that experienced a cabin depressurization incident at cruising altitude (not the door plug one, but still, thanks, Boeing). In a matter of seconds — literally, less than 5 — the flight went from completely normal and unremarkable to your-need-to-go-to-a-bathroom-is-now-in-pants emergency. The air masks deployed and the pilots immediately began a dive to 10,000 feet at a steep angle that you will never experience on a normal flight. The crew immediately ran to their (assigned? closest?) jump seats and strapped in (as they're trained to do) and stood by, waiting for the flight to stabilize and/or further instructions from the captain. I'm sure each crew member has...
Full answer by josh3736: https://travel.stackexchange.com/a/203689 (CC BY-SA 4.0).
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