El Al is the only commercial airline to equip its planes with missile defense systems to protect its planes against surface-to-air missiles , and is considered one of the world 's most secure airlines , thanks to its stringent security procedures , both on the ground and on board its aircraft . Although it has been the target of many attempted hijackings and terror attacks , only one El Al flight has ever been hijacked ; that incident did not result in any fatalities
one El Al flight
El Al Flight 426 hijacking
El Al