The mile high club (or MHC) is a slang term collectively applied to individuals who have engaged in sexual activity while on board an aircraft.

There is no known formally constituted club so named. However, since ‘membership’ of the ‘club’ is really a matter of an individual asserting they have qualified, the qualifications for membership are open to some interpretation. Some people attribute the allure of the club to the lower atmospheric pressure in the flight cabin, which they claim increases the intensity of orgasms. Another explanation is the vibration of the airplane, which may make arousal easier.Others say they have fantasies about pilots or flight attendants, or a fetish about planes themselves.For many others, perhaps the majority, the appeal of joining the MHC is the thrill of doing something taboo and the chance that they might be discovered…