The incident was largely met with disbelief and laughter from the passengers and some of the flight attendants , as they thought it was an exercise . Passengers described two of the hijackers as calm and with a good comprehension of Swedish , while one was clearly nervous and did not understand Swedish . The hijackers calmly answered questions regarding the action and stated that they intended to have the ambassador 's murderer released . They then started making references to the Munich massacre ten days earlier and hinted that a similar situation could arise in the aircraft . Passengers described the hijackers as generally friendly
Munich massacre
Munich massacre
Scandinavian Airlines System Flight 130