hijack

transitive verb | \ ˈhī-ˌjak \ | hi·jack
  1. : to seize possession or control of (a vehicle) from another person by force or threat of force; specifically : to seize possession or control of (an aircraft) especially by forcing the pilot to divert the aircraft to another destination : to seize possession or control of (an aircraft) especially by forcing the pilot to divert the aircraft to another destination