An airline hostess has sparked debate after making shocking claims about what allegedly happens behind closed cockpit doors once a commercial flight is set to autopilot. According to her revelations, the cruising altitude of 35,000 feet may not only be about smooth operations but also about secret rendezvous among pilots and flight attendants.

Autopilot And The Mile-High Club Allegations

Cierra Mistt, a flight attendant who has transitioned from commercial to chartered aviation, shared her experiences in a viral TikTok video. She claimed that during long-haul flights, once autopilot is engaged, some pilots and cabin crew members use the relaxed atmosphere to engage in what she described as “High Mile Club” activities. Mistt alleged that these incidents are “not rare” and, in fact, take place on several long-distance international routes. “Here’s how pilots and flight attendants join the Mile High Club while they’re on the clock and you’re in the passenger seats,” she explained in her video, which has since been widely circulated on social media.

How Flight Attendants Are Called Into The Cockpit

Under standard aviation safety rules, at least two people must remain in the cockpit at all times. When one pilot steps out for a lavatory break or a meal, a flight attendant is called in to take their place temporarily. Mistt suggested that this rule is sometimes used as a pretext when a pilot shares a personal equation with a particular cabin crew member.

According to her, many such meetings are planned before departure, with the cockpit becoming a private space for brief encounters until regular duties resume. “Passengers have absolutely no idea what is going down in that flight deck,” she claimed, adding that the aircraft remains on autopilot during these moments. Apart from the cockpit, Mistt also pointed towards the “crew rest deck”, a restricted-access area where staff rest during long-haul flight, as another discreet location for such activities. Not visible to passengers, this deck has long been part of aviation circles but rarely discussed publicly.

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Reactions From Aviation Professionals

While Mistt’s claims have attracted attention, they remain unverified. Aviation experts cited by The New York Post stress that professional codes of conduct prohibit such behaviour. Suzanne Bucknam, another flight attendant cited by the New York Post, recalled instances where passengers were caught attempting intimate moments mid-flight, adding that such behaviour among crew members would make others uncomfortable. Mistt, however, was unapologetic. She hinted at personal experiences and even advised those attempting such rendezvous to plan carefully. “No. 1, make sure you work with a crew that you can trust. No. 2, you pick a flight that has a route that’s normally a smooth ride,” she said.

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Her video has sparked an online debate, with some viewers shocked by the claims while others dismissed them as exaggerated storytelling for social media attention. Aviation authorities have not commented on the matter, and no formal complaints have been reported. The “mile-high club” has long been associated with passenger experiences inside lavatories, but Mistt’s revelations bring fresh focus on crew culture midair. For now, passengers can only speculate on what really unfolds at 35,000 feet while their aircraft is on autopilot.