Dsruptive Passenger Behaviour or Air Rage can be defined as aberrant, abnormal, or abusive behaviour on the part of passengers either at airports or onboard commercial flights. Unruly and violent passengers create a massive safety risk to the aircraft and its passengers. They can also prove to be very expensive to airlines. In some cases, captains have been forced to divert a flight to eject the violent passenger. British Airways has said that the average cost of an unscheduled landing is 40,000 pounds stirling.