The measure would carry the same penalties as the current law, with smoking punishable by a $1,000 fine and tampering with smoke detectors in airplane lavatories punishable by a $2,000 fine.

THE BATHROOM - Though not much bigger than an airplane lavatory, it was clean and modern.

To this day he recalled in precise detail how this revelation of sorts had come: returning from a trip to South America, an airplane lavatory, him on his knees, his stomach sickened.

Nervous airline passenger Mr. John Valentine (John Lithgow) is in an airplane lavatory as he tries to recover from what seems to be a panic attack.

In 2011, the FAA announced that it had ordered the removal of all oxygen masks from airplane lavatories in the United States for security reasons.

The man sitting next to him came back from the airplane lavatory and looked at how Quentin was gripping the arms of his seat.

Smoking violations would be punishable by a $1,000 fine; tampering with smoke detectors in airplane lavatories would be punishable by a $2,000 fine.

According to a 1984 study, smoke detectors required in airplane lavatories save lives for about a half-million dollars each.

Airline attendants have caught some passengers using cellphones in airplane lavatories, and others have been spotted huddled in their seats, whispering into their cupped hands.