Muath Safi Yousef al-Kasasbeh (Arabic: معاذ صافي يوسف الكساسبة‎ South Levantine pronunciation: [mʊˈʕaːð-, mʊˈʕaːz ˈsˤɑːfi ˈjuːsef el kaˈsaːsbe]; 29 May 1988 – c. 3 January 2015) was a Royal Jordanian Air Force pilot who was burned to death by ISIS after his plane crashed over Syria.Al-Kasasbeh's F-16 fighter aircraft crashed near Raqqa, Syria, on 24 December 2014 during the military intervention against the Islamic State (IS).