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That's it.
You won't lock it and try to open the door, won't you?
Or ask the flight attendant.
Civil airliners definitely have toilets.
Other planes are not necessarily, like helicopters, fighter jets are certainly not available. >>>More
Helicopters and air fighters don't have toilets, they all wear adult diapers, so passenger planes have toilets.
No, there are plastic bags underneath the toilets on airplanes, and toilets on trains are directly connected to the outside world.
No, it seems to be concentrated in one place, and it will be processed after getting off the plane.
Yes, this image shows that there is usually an unlocking device hidden behind a "no smoking" sign on the toilet door. As long as you lift the fold and slide the deadbolt, it can be unlocked from the outside.