“The initial thing we have to do is make certain they haven’t combined a glow on house a aircraft, since a lot of times they’ll chuck a cigarette down into a rabble bin,†Tracy Sear, a then-US Airways moody attendant, told a New York Times in 2015. “Then during a same time we’re advising a newcomer that they contingency approve and stop, and vouchsafing a cockpit know. Usually, the authorities will accommodate a flight when it lands.â€
Article source: http://www.huffingtonpost.com/2017/03/10/why-do-airplanes-still-have-ashtrays_n_15284100.html?utm_hp_ref=travel&ir=Travel