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Last updated: 5 December 2019
Statuts:
Date:mardi 13 septembre 1994
Heure:11:55
Type/Sous-type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Compagnie:Aerocontractors Company of Nigeria
Immatriculation: 5N-ATQ
Numéro de série: 538
Année de Fabrication: 1977
Moteurs: 2 Pratt & Whitney Canada PT6A-27
Equipage:victimes: 1 / à bord: 2
Passagers:victimes: 1 / à bord: 3
Total:victimes: 2 / à bord: 5
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 14 km NE Abuja International Airport (ABV) (   Nigéria)
Phase de vol: En approche (APR)
Nature:Charter National
Aéroport de départ:Lagos-Murtala Muhammed International Airport (LOS/DNMM), Nigéria
Aéroport de destination:Abuja International Airport (ABV/DNAA), Nigéria
Détails:
The Twin Otter crashed after striking trees with the right wingtip and horizontal stabilizer. The trees were located on a 2700 feet hill; the MDA at that point is 3700 feet. A runway 22 instrument approach had to be flown due to bad weather (heavy rain, low clouds, severe turbulence), but the ILS glide path was out of calibration. The pilot is believed to have been flying an ILS localizer approach and using the AU VOR/DME. The pilot possibly thought the AU VOR was located at the runway threshold, while it was actually located 1,3nm short of it, causing a premature descent.

Probable Cause:

CAUSE: Navigation error by the Commander of the aircraft in tracking, the V.O.R signal on the final approach phase of the flight into Abuja Airport. The turbulent weather was also considered to have contributed to the accident.

Sources:
» ICAO Adrep Summary 1/95
» Scramble 185


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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 Lagos-Murtala Muhammed International Airport et Abuja International Airport est de 509 km (318 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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