Nerve gas doesn’t dissipate that fast especially in a closed environment. The hijackers in chem suits?
“Nerve gas doesn’t dissipate that fast especially in a closed environment. The hijackers in chem suits?”
It is not a closed environment. To maintain pressurization, compressed air is bled from the engines into the cabin. Outflow valves in the back of the airplane open and closed to maintain the desired level of pressurization. The air in the aircraft is recycled every few minutes.