Accident
Last updated: 29 August 2014
Status:Schlussbericht
Datum:Dienstag 10 Juni 2008
Zeit:20:26
Flugzeugtyp:Silhouette image of generic A310 model; specific model in this crash may look slightly different
Airbus A310-324
Fluggesellschaft:Sudan Airways
Kennzeichen: ST-ATN
Werknummer: 548
Baujahr: 1990-08-23 (17 years 10 months)
Betriebsstunden:53233
Anzahl Zyklen der Zelle:21524
Triebwerk: 2 Pratt & Whitney PW4152
Besatzung:Todesopfer: 1 / Insassen: 11
Fluggäste:Todesopfer: 29 / Insassen: 203
Gesamt:Todesopfer: 30 / Insassen: 214
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Khartoum-Civil Airport (KRT) (   Sudan) show on map
Flugphase: Landung (LDG)
Betriebsart:Internationaler Linienflug
Flug von:Damascus International Airport (DAM/OSDI), Syrien
Flug nach:Khartoum-Civil Airport (KRT/HSSS), Sudan
Flugnummer: 109
Unfallbericht:
An Airbus A310-324 passenger plane, registered ST-ATN, was destroyed in an accident at Khartoum-Civil Airport (KRT), Sudan. There were 203 passengers and 11 crew members on board. One crew member and 29 passengers were killed.`
The A310 was operated with a deactivated no 1 engine reverser as per Minimum Equipment List (MEL) procedures, being a carry forward defect. This was accepted by the pilot who operated the return flight from Khartoum to Amman.
Sudan Airways Flight 109 was the return leg from Amman (AMM), Jordan to Khartoum (KRT), Sudan with an en route stop at Damascus (DAM), Syria. The airplane diverted to Port Sudan due to inclement weather at Khartoum. After staying on ground at Port Sudan for about 1:15 hour, and being informed that the weather was getting better, the captain decided to return back to Khartoum.
Weather was poor with CB clouds and a thunderstorm as the Airbus approached Khartoum. The flight was cleared to land on runway 36 with wind information given as 320 degrees at 7 knots. In reality however, there was a 15 knot tail wind. The runway was reported being wet.
The Airbus touched down 900 metres past the runway threshold and the captain selected both thrust reversers to maximum reverse.Reverser nr.2 deployed normally and nr. 1 remained stowed. Because of asymmetrical reverse, the airplane skidded to the right. Ten seconds after touch down both reversers were stowed and thrust levers were set to idle. The captain put the aircraft back to the centre line by using differential braking. The captain then switched the anti-skid off and applied full braking on both pedals, causing the wheels to lock. The aircraft longitudinally overran the runway and came to a stop 215 meters after the runway end. Then it caught fire on its right side.
Fire services arrived late at the scene of the accident due to acute shortage in fire fighting personnel, and the fact that there was no means of communication between the fire station and the vehicles.

Weather during the afternoon in Khartoum (local time is UTC + 3 hours) was reported as:
HSSS 101430Z 12013KT 3000 M TS/RA FEW050CB SCT056 BKN140 Q1011 NO SIG=
HSSS 101700Z 27002KT 9/9 TS RA OV ST FEW050 SCT056 BKN140 26/26 Q1013 NO SIG=
HSSS 101830Z 15010KT 9/9 FEW050 CB TS TO E SCT 056 Q1010=
HSSS 101900Z 14007KT 9/9 FEW050 CB TS TOE SCT056 30/19 Q1010 NO SIG=


Cause of the accident:
"The accident was due to a long flaring distance (900 meters from R/W threshold) on a wet slippery runway without selecting Auto brake and with one deactivated engine reverse in such rainy conditions. The remaining available landing distance turned out to be too short to allow the captain to stop the aircraft before the end of the runway.
Contributing factors:
The wind information was not appropriate as it was tail wind at time of landing. The crew was not aware about the aircraft ground speed and the tail wind."

Informationsquelle:
» AP
» www.alnilin.com
» AFP

Official accident investigation report
investigating agency: Air Accident Investigation Central Department, Ministry of Civil Aviation - Egypt
report status: Final
report number: CAA/ACC/ST-ATN, A310
report released:03-NOV-2010
duration of investigation:876 days (2 years 4.9 months)
download report: Final Accident Report Accident involving Sudan Airways Airbus 310 Registration ST-ATN At Khartoum Airport On 10th of June 2008 at 1726 UTC (AAICD CAA/ACC/ST-ATN, A310)

Fotos

photo of Airbus A310-324 ST-ATN
photo of Airbus A310-324 VT-EVF
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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 Damascus International Airport to Khartoum-Civil Airport as the crow flies is 2008 km (1255 miles).

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