Narrative:
THY Turkish Airlines flight 634, an Avro RJ100 named 'Konya', crashed while on a VOR/DME approach to runway 34 at Diyarbakir Airport (DIY) in limited visibility conditions due to fog. The aircraft broke up after impacting the ground some 900 m short of the runway.
Diyarbakir's runway 34 was not equipped with ILS.
CONCLUSION
1. The Flight Crew insisted on landing despite reaching the MDA at an altitude of 2800 ft and no approach lights or runway was visible.
2. Bad weather conditions contributed to the cause of the accident.
LTCC 081650Z 32003KT 5000 BR FEW040 SCT100 05/03 Q1021 NOSIG=
17:50 UTC / local time:
LTCC 081750Z 00000KT 3500 R34/3500D BR FEW040 SCT100 05/03 Q1021 NOSIG=
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
| Status: | Accident investigation report completed and information captured |
| Date: | Wednesday 8 January 2003 |
| Time: | 16:43 UTC |
| Type: |  Avro RJ100 |
| Operator: | THY Turkish Airlines |
| Registration: | TC-THG |
| MSN: | E3241 |
| First flight: | 1994-03-04 (8 years 10 months) |
| Total airframe hrs: | 19289 |
| Cycles: | 16659 |
| Engines: | 4 Lycoming LF507-1F |
| Crew: | Fatalities: 5 / Occupants: 5 |
| Passengers: | Fatalities: 70 / Occupants: 75 |
| Total: | Fatalities: 75 / Occupants: 80 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | 0,9 km (0.6 mls) S of Diyarbakir Airport (DIY) ( Turkey)
|
| Crash site elevation: | 686 m (2251 feet) amsl |
| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Istanbul-Atatürk International Airport (IST/LTBA), Turkey |
| Diyarbakir Airport (DIY/LTCC), Turkey | |
| Flightnumber: | TK634 |
THY Turkish Airlines flight 634, an Avro RJ100 named 'Konya', crashed while on a VOR/DME approach to runway 34 at Diyarbakir Airport (DIY) in limited visibility conditions due to fog. The aircraft broke up after impacting the ground some 900 m short of the runway.
Diyarbakir's runway 34 was not equipped with ILS.
Probable Cause:
CONCLUSION
1. The Flight Crew insisted on landing despite reaching the MDA at an altitude of 2800 ft and no approach lights or runway was visible.
2. Bad weather conditions contributed to the cause of the accident.
Accident investigation:
|
Classification:
Controlled Flight Into Terrain (CFIT) - Ground
Sources:
» ICAO AdrepMETAR Weather report:
16:50 UTC / local time:LTCC 081650Z 32003KT 5000 BR FEW040 SCT100 05/03 Q1021 NOSIG=
17:50 UTC / local time:
LTCC 081750Z 00000KT 3500 R34/3500D BR FEW040 SCT100 05/03 Q1021 NOSIG=
Photos
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
accident date: 08-01-2003
type: Avro RJ100
registration: TC-THG
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 Istanbul-Atatürk International Airport to Diyarbakir Airport as the crow flies is 1028 km (642 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Istanbul-Atatürk International Airport to Diyarbakir Airport as the crow flies is 1028 km (642 miles).
Accident location: Approximate; accuracy within a few kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2023 Flight Safety Foundation