A-'What's happening?' B-'We're experiencing some...'
Turbulence
What are you doing?
Checking in
What is this?
A boarding pass
What is this?
Hand luggage/carry-on
What is this?
An overhead locker/compartment
What is this?
An emergency exit
A synonym of 'disembark' a plane.
Get off/leave/exit
What is this? (--sl)
An aisle
What is this? (g-t-)
A gate
