It’s usually the passengers, though, not the crew — unless, that is, you’re talking about British Airways baggage handlers.
A BA source said: “Basically the guys were taking a leak in the hold when they were caught short.
“You can understand it.
“They are tucked away in the holds of these massive planes and they need to go.
“It can be a real trek back to the toilet facilities at the staff centre and when you have to go you have to go.
“Eventually it emerged urine is quite corrosive and there was some issues with some of the Boeing 747s.
Baggage handlers are being told that they really do need to walk back to the offices to use the restroom.