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 kilometres (11 mi) off the runway centerline.^[1]

There were 25 passengers and four crew on board, of which 24 passengers and all four crew members were killed in the accident.^[2]

The probable cause of the accident was that the aircraft was not in the normal flying pattern and was well below its designated altitude.^[3]