Does Smoke Detector Detect Vape Can Vape Smoke Be Detected In School Bathrooms How Do Vape Detectors Work: Technology Behind Smoke I just learned from this video that vaping in the plane's lavatory will NOT set off the smoke alarm. : r aviation Someone lit a cigarette in the plane's lavatory, triggering the smoke alarm onboard : r mildlyinfuriating Flight attendants reveal whether they know you're breaking this plane rule Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS