Last updated: 22 October 2021
| Status: | Final |
| Date: | Wednesday 7 April 1999 |
| Time: | 00:45 |
| Type: |  Boeing 737-4Q8 |
| Operator: | THY Turkish Airlines |
| Registration: | TC-JEP |
| MSN: | 25378/2732 |
| First flight: | 1995-06-09 (3 years 10 months) |
| Total airframe hrs: | 11600 |
| Cycles: | 6360 |
| Engines: | 2 CFMI CFM56-3C1 |
| Crew: | Fatalities: 6 / Occupants: 6 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 6 / Occupants: 6 |
| Aircraft damage: | Damaged beyond repair |
| Location: | near Ceyhan ( Turkey)
|
| Phase: | En route (ENR) |
| Nature: | Ferry/positioning |
| Departure airport: | Adana Airport (ADA/LTAF), Turkey |
| Jeddah-King Abdulaziz International Airport (JED/OEJN), Saudi Arabia | |
| Flightnumber: | 5904 |
The Boeing 737 departed Adana at 00:36 for a flight to Jeddah to pick up Turkish pilgrims. Weather was poor when the plane crashed, nine minutes after takeoff. The wreckage was found to have been scattered over a 500sq feet area. Also, a 10 m deep hole was found at the point of impact.
Probable Cause:
CONCLUSIONS:
- The severe weather conditions probably contributed to the cause of the accident.
- The pitot static anti-ice system was probably not activated during preparations for flight because of missed checklist items.
- The crew failed to recognize the cause of an erratic airspeed indication.
- The crew failed to use other cockpit indications for control and recovery of the airplane.
- The presence of cabin crew in the cockpit probably distracted the attention of the cockpit crew.
Classification:
IcingPitot head issues
Loss of control
Sources:
» Ergun Ozcan» Mark Stephenson
Photos
accident date: 07-04-1999
type: Boeing 737-4Q8
registration: TC-JEP
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Adana Airport to Jeddah-King Abdulaziz International Airport as the crow flies is 1730 km (1082 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.
Distance from Adana Airport to Jeddah-King Abdulaziz International Airport as the crow flies is 1730 km (1082 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.
languages: 
Turkey
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Boeing 737-400
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- 4th loss
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Turkey- 23rd worst accident (at the time)
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