The list of hijackings of Turkish airplanes is a listing of hijackings or hijacking attempts occurred on Turkish aircraft since the first ever incident in 1972. * May 3, 1972 – A DC-9 airplane of Turkish Airlines named Boğaziçi on the way from Ankara to Istanbul was hijacked by four Turkish leftist militants to Sofia, Bulgaria. Among the passengers was Ömer İnönü, son of the former President of Turkey İsmet İnönü. The hijackers, Sefer Şimşek, Yaşar Aydın, Mehmet Yılbaz and Aynullah Akça demanded the release of Deniz Gezmiş and his comrades from prison, all members of the illegal Communist organization People's Liberation Army of Turkey sentenced to death penalty and were right before execution. After landing in Sofia, they handed over the aircraft to the Bulgarian authorities and applied