Atlasjet Flight 4203 was a scheduled domestic passenger flight from Istanbul Atatürk Airport in Istanbul to Isparta Süleyman Demirel Airport in Isparta Province, Turkey. On 30 November 2007, the aircraft operating the flight – a 1994-built McDonnell Douglas MD-83 which Atlasjet had leased from World Focus Airlines just five months before – crashed in the vicinity of Keçiborlu between the villages of Yenitepe and Çukurören while on approach, approximately 12 kilometres (7.5 mi) west of the destination airport. The flight had taken off from Istanbul at 00:51 EET with 50 passengers and 7 crew members on board. All 57 occupants perished in the accident.