Passenger Vapes On Plane Smoke Alarm Goes Off At 35,000 Feet, Police Requested YouTube Can Airplane Smoke Detectors Detect Vape (in 2024) ? Vape Detector On March 26, Alaska Airlines Flight 1463 was cruising from Seattle to Sacramento on a Boeing 737 MAX 9 when the lavatory smoke alarm went off at 35,000 feet. A passenger had Flight passenger brings up 'vaping in the bathroom,' sparking debate about on board actions vaping on the flight : r unitedairlines