Found out what an airplane smoke detector sounds like : r unitedairlines Do Vapes Set Off Smoke Alarms? Aeroplane & Hotel Smoke Detection VPZ Do Vapes Set Off Smoke Alarms? Vuse UK When traveling with your vape or e cig on a plane, do it safely: vapes should be turned off and carried on, never checked. Do not use or charge it on the aircraft. Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS