hijacking
noun
[ ˈhʌɪdʒakɪŋ ]
• an act of unlawfully seizing an aircraft, vehicle, or ship while in transit; a hijack.
• "he was involved in a hijacking in 1981"
hijack
verb
• unlawfully seize (an aircraft, ship, or vehicle) in transit and force it to go to a different destination or use it for one's own purposes.
• "a man armed with grenades hijacked the jet yesterday"
Origin:
1920s (originally US): of unknown origin.