Crash-aerien 25 NOV 2017 d'un ATR 72-212A (ATR 72-500) 9G-SBF - Accra-Kotoka Airport (ACC)
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Statuts:Accident investigation report completed and information captured
Date:samedi 25 novembre 2017
Heure:12:20
Type/Sous-type:Silhouette image of generic AT75 model; specific model in this crash may look slightly different
ATR 72-212A (ATR 72-500)
Compagnie:Starbow
Immatriculation: 9G-SBF
Numéro de série: 743
Année de Fabrication: 2007-02-15 (10 years 10 months)
Heures de vol:16827
Cycles:15684
Moteurs: 2 Pratt & Whitney Canada PW127F
Equipage:victimes: 0 / à bord: 5
Passagers:victimes: 0 / à bord: 63
Total:victimes: 0 / à bord: 68
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Accra-Kotoka Airport (ACC) (   Ghâna)
Phase de vol: Au décollage (TOF)
Nature:Transport de Passagers Nat.
Aéroport de départ:Accra-Kotoka Airport (ACC/DGAA), Ghâna
Aéroport de destination:Kumasi Airport (KMS/DGSI), Ghâna
Numéro de vol:S9104
Détails:
Starbow flight 104, an ATR 72-500, suffered a runway excursion during takeoff from Accra-Kotoka Airport in Ghana.
The captain, being Pilot Flying, was in a hurry to takeoff ahead of the incoming storm, but during the takeoff run from runway 21, the airport was being engulfed in thundery rain.
At a speed of about 63 kts, the captain's seat suddenly moved full backwards violently and shifted to the left. The captain handed over controls to the co-pilot after the inadvertent movement of his seat, which appeared to have occurred around 63 knots.
At that time the aircraft was to the left of the centreline and heading approximately 6° off. The flight crew was not aware that the aircraft was going off the runway during the takeoff until the aircraft was almost at the edge of the runway.
The takeoff was then aborted by bringing the power levers to ground idle and the co-pilot tried to maintain directional control with the rudder. However, reverse thrust was not selected.
The aircraft reached 94 knots before decelerating gradually and thereafter impacted the inner perimeter fence with both engines running.
One passenger suffered serious injuries, four other passengers had minor injuries.

Probable Cause:

Causal Factors
1. Loss of situational awareness on the part of the cockpit crew, leading to runway excursion.
2. Failure by the crew to execute correct procedure in aborting the takeoff.

Contributory Factors
1. The rain storm that affected the airfield during the takeoff.
2. Loss of situational awareness in the takeoff process.
3. Inadvertent movement of the captain’s seat.
4. Improper procedure in aborting the takeoff.
5. Poor crew resource management.

Accident investigation:

cover
Investigating agency: AIB Ghana
Status: Investigation completed
Duration: 1 year and 4 months
Accident number: final report
Download report: Final report

Sources:
» BEA
» Ghanaweb.com

METAR Weather report:
12:00 UTC / 12:00 local time:
DGAA 251200Z 27007KT 230V300 9999 FEW028 30/23 Q1012 NOSIG

13:00 UTC / 13:00 local time:
DGAA 251300Z 22012KT 1300 TSRA OVC013 FEW030CB 23/22 Q1012 NOSIG


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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Accra-Kotoka Airport et Kumasi Airport est de 199 km (124 miles).
Accident location: Exact; as reported in the official accident report.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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