Starting on October 22, the Federal Aviation Administration eliminated the rule that required an off switch for the "No smoking" sign, even though smoking on U.S. flights officially ended decades ago.

‘No Smoking’ Signs on Planes Can Now Stay On Forever The Federal Aviation Administration did away with a rule that had required an off switch for the sign even though smoking on U.S. flights ...

United Airlines had to ground its new Airbus A321neo planes, not due to a major safety issue, but because the light-up “no smoking” signs are automated.. A 1990 ruling mandates that the signs ...

A U.S. rule from 1990 requires the ‘No Smoking’ sign on planes to be operated by the flight crew.

"While 'No Smoking' signs may seem like an old and outdated practice, they are still a necessity for a few different reasons," Maddi Bourgerie, travel expert at RVshare, tells Thrillist.