Crash-aerien 03 MAY 1995 d'un Grumman G-1159 Gulfstream II N409MA - Quito-Mariscal Sucre Airport (UIO)
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Statuts:Accident investigation report completed and information captured
Date:mercredi 3 mai 1995
Heure:23:45
Type/Sous-type:Silhouette image of generic GLF2 model; specific model in this crash may look slightly different
Grumman G-1159 Gulfstream II
Compagnie:American Jet
Immatriculation: N409MA
Numéro de série: 83
Année de Fabrication: 1970
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 5 / à bord: 5
Total:victimes: 7 / à bord: 7
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 50 km SSE of Quito-Mariscal Sucre Airport (UIO) (   Equateur)
Phase de vol: En vol (ENR)
Nature:Affaires
Aéroport de départ:La Paz-El Alto Airport (LPB/SLLP), Bolivie
Aéroport de destination:Quito-Mariscal Sucre Airport (UIO/SEQU), Equateur
Détails:
The crew selected the frequency of the QMS VOR instead of the QIT VOR when trying to carry out the QIT VOR instrument approach procedure. This took the aircraft over the mountainous area 12 miles South of the planned track. The Gulfstream struck the Sincholagua Volcano at FL160.
The flight crew had limited experience on the Gulfstream II. They had completed simulator training in January 1995 and logged 105 flight hours since.

The aircraft had been chartered by Yacimientos Petrolíferos Fiscales (YPF) from Argentina.

Probable Cause:

The Junta Investigadora de Accidentes estimates that the accident occurred because the crew selected the wrong frequency, using the Condorcocha VOR instead of the Monjas VOR.
It also considers the lack of familiarity of the crew with instrument procedures of Quito Airport, the limited experience of the two crew members on the Grumman aircraft, neglect of the crew in the final phase of the flight to hold a private conversation, lack of compliance with verification of the frequency selection during descent briefing.

Sources:
» ICAO Adrep Summary 4/1995 (#14)
» www.explored.com.ec, 2-6-1995


Photos

photo of Gulfstream-Aerospace-G-1159-Gulfstream-II-N404M
accident date: 03-05-1995
type: Gulfstream Aerospace G-1159 Gulfstream II
registration: N404M
 

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 La Paz-El Alto Airport et Quito-Mariscal Sucre Airport est de 2134 km (1334 miles).
Accident location: Exact; deduced from 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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