Airline passengers' refusal to switch off electronic devices before takeoff is reportedly now the biggest cause of onboard disputes, U.S. cabin crew members say.

Federal authorities charge a JetBlue Airways captain who sprinted down the cabin of a flight screaming about a bomb with interfering with a flight crew.

Recent incidents have shown that turbulent behaviour from airplane passengers — even cabin crew — can be an unforeseen cause of anxiety. Here are six examples of disruptive on-board meltdowns.