Turkish Airlines Flight 835

Turkish Airlines Flight 835 was a scheduled domestic passenger flight from Adana Şakirpaşa Airport,to Esenboğa International Airport, Ankara, Turkey. On 23 September 1961 at 20:02 EET (18:02 UTC), the aircraft operating the flight, a brand-new Fokker F27 Friendship 100 struck the Karanlıktepe hill in Ankara Province on final approach some 18 km off the runway centerline.

There were 25 passengers and four crew on board, of which 24 passengers and all four crew members were killed in the accident.

The probable cause of the accident was that the aircraft was not in the normal flying pattern and was well below its designated altitude.