Inappropriate behavior in the cockpit creates a "silence barrier." In aviation history, numerous accidents have been attributed to a co-pilot’s reluctance to challenge a captain’s authority. When that reluctance is compounded by a hostile or unprofessional environment, the risk multiplies. A pilot who engages in behavior that makes their colleague uncomfortable is actively degrading the safety margins of the flight. Distraction is a leading cause of aviation incidents; when a crew member’s focus is shifted from monitoring instruments to navigating an uncomfortable social situation, their ability to catch errors is compromised.
In 2023, Ryanair fired its chief pilot after an investigation revealed a pattern of sexual harassment toward female colleagues. Allegations included sending inappropriate text messages and altering flight rosters to ensure he flew with specific junior female pilots. perv pilot