Can Vaping Devices Set Off Smoke Alarms? Found out what an airplane smoke detector sounds like : r unitedairlines March 26th, 2026: A passenger on Alaska Airlines flight ASA1436 from Seattle to Sacramento set off a smoke alarm at 35,000 feet after using a vape inside the lavatory, prompting the pilots Do Vapes Set Off Smoke Alarms? Find Out Here! Vapoholic Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS (REAL TEST) Can Smoke Detectors Detect Vape? (compared with a Vape Detector)