Ashtray rules are strict, too. In fact, if an airplane ashtray breaks, FAA guidelines state that in airplanes with multiple lavatories, the broken ashtray needs to be fixed or replaced within 10 days, if 50% of the plane's ashtrays are still operational. If fewer than 50% are operational, an ashtray needs to be fixed or replaced in three days. Some airlines seem like they don't even clean the seats every three days!
There's your answer. Now you have one less thing to wonder about when you're sitting on the toilet in that tiny airplane bathroom.
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Kara King is a News Writer at Thrillist and finally has an answer. Send news tips to email@example.com and follow her at @karatillie.