On 17 February 1959, a Vickers Viscount Type 793, registration TC-SEV, operating a charter flight and carrying Turkish Prime Minister Adnan Menderes and a governmental delegation to London for signing the London and Zurich Agreements crashed in dense fog on approach to London Gatwick Airport. Nine of the sixteen passengers and five of the eight crew lost their lives. Adnan Menderes, who was sitting in the back part of the aircraft, survived the accident.[81]
On 23 September 1961, Turkish Airlines Flight 835, a Fokker F27-100 registered as TC-TAY, crashed at Karanlıktepe in Ankara Province on approach to Esenboğa Airport, Ankara. All of the 4 crew and 24 of the 25 passengers on board were killed.[82]
On 8 March 1962, a Fairchild F-27, registration TC-KOP, crashed into Taurus Mountains on approach to Adana Şakirpaşa Airport. All three crew and all eight passengers on board died.[83]
On 3 February 1964, a Douglas C-47, registered as TC-ETI, on a domestic cargo flight, flew into terrain whilst on approach to Esenboğa Airport, Ankara. All three crew members on board were killed.[84]
On 2 February 1969, a Vickers Viscount Type 794, registered as TC-SET, crashed on approach to Esenboğa Airport. There were no casualties.[85]
On 26 January 1974, Turkish Airlines Flight 301, a Fokker F28-1000 registered as TC-JAO, crashed shortly after takeoff from Izmir Cumaovası Airport due to atmospheric icing on the wings. The aircraft disintegrated and caught fire, killing 4 of the 5 crew and 62 of the 68 passengers on board.[86]
On 3 March 1974, Turkish Airlines Flight 981, a McDonnell Douglas DC-10 registered as TC-JAV, crashed into Ermenonville Forest, Fontaine-Chaalis, Oise, France due to explosive decompression, killing all 335 passengers and 11 crew on board. The main cause was a design fault on the cargo doors of McDonnell Douglas DC-10. Prior to the Tenerife airport disaster, it was the deadliest aviation disaster in the world.[87][88]
On 30 January 1975, Turkish Airlines Flight 345, a Fokker F28-1000 registration TC-JAP, crashed into the Sea of Marmara during final approach to Istanbul Yeşilköy Airport. All 4 crew and all 38 passengers on board the aircraft were killed.[89]
On 19 September 1976, a Boeing 727-200 registered as TC-JBH operating Turkish Airlines Flight 452 from Istanbul Yeşilköy Airport to Antalya Airport, struck high ground in Karatepe Mountains during an attempted landing in Isparta instead of Antalya by pilot error. All 154 people on board the aircraft perished in the accident.[90]
On 23 December 1979, a Fokker F28-1000, registration TC-JAT, on a flight from Samsun-Çarşamba Airport to Esenboğa Airport struck a hill in Kuyumcuköy village at Çubuk, Ankara, 32 km (20 mi) north-east of its destination airport in severe turbulence. Three of the four crew and 38 of the 41 passengers on board were killed.[91]
On 16 January 1983, Turkish Airlines Flight 158, a Boeing 727-200 registered as TC-JBR, landed about 50 m (160 ft) short of the runway at Esenboğa Airport in driving snow, broke up and caught fire. All of the 7 crew survived, however, of the 60 passengers on board, 47 were killed.[92]
On 29 December 1994, Turkish Airlines Flight 278, a Boeing 737-400 registration TC-JES, crashed during its final approach to Van Ferit Melen Airport in driving snow. Five of the seven crew and 52 of the 69 passengers died.[93]
On 7 April 1999, Turkish Airlines Flight 5904, a Boeing 737-400 registered as TC-JEP on a repositioning flight, crashed near Ceyhan, Adana shortly after taking off from Adana Şakirpaşa Airport. There were no passengers on board, but all six crew members perished in the accident.[94]
On 8 January 2003, Turkish Airlines Flight 634, an Avro RJ-100 registration TC-THG, crashed on approach to Diyarbakır Airport, Turkey. Of the 80 people on board, 75 were killed.[95]
On 25 February 2009, Turkish Airlines Flight 1951, a Boeing 737-800 registered as TC-JGE with 128 passengers and 7 crew, crashed while approaching Amsterdam Airport Schiphol. Nine people including the three pilots died. 86 passengers were transported to local hospitals. The preliminary results of the Dutch investigation found that a faulty altimeter caused the aircraft to throttle the engines back to idle and that the crew failed to react quickly enough which resulted in a stall and the subsequent crash