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Last updated: 20 September 2021
Statuts:
Date:mercredi 19 octobre 1988
Heure:08:56
Type/Sous-type:Silhouette image of generic F27 model; specific model in this crash may look slightly different
Fokker F-27 Friendship 100
Compagnie:Vayudoot
Immatriculation: VT-DMC
Numéro de série: 10173
Année de Fabrication: 1961
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 31 / à bord: 31
Total:victimes: 34 / à bord: 34
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:19 km (11.9 milles) de Gauhati-Borjhar Airport (GAU) (   Inde)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Silchar-Kumbhirgram Airport (IXS/VEKU), Inde
Aéroport de destination:Gauhati-Borjhar Airport (GAU/VEGT), Inde
Numéro de vol: 703
Détails:
Vayudoot flight 703 took off from runway 06 at Silchar, India at 08:10 hours with destination Guwahati.
At 08:39 the flight contacted the Guwahati Tower controller, reporting passing FL55 to FL40. At 08:46 the aircraft commenced the procedure turn towards Guwahati but the crew were not getting the glide slope signal. One minute later the flight reported Outer Marker inbound. Last radio contact with the flight was at 08:53. Shortly afterwards the aircraft impacted a hill and caught fire.

Probable Cause:

PROBABLE CAUSE: "An error on the part of the pilot-in-command in obeying the localiser bar on the outbound leg when it is supposed to be disobeyed and which has resulted in disorientation of the pilot resultant effect of which is total non-adherence of the ILS let down procedure at Guwahati viz. failure to monitor the middle and outer locators, allowing the aircraft to descend below 2750 feet without intercepting the localiser and glide slope. The wrong clearance by ATC in asking the aircraft to report outer marker inbound when Captain-in-command reported non-availability of the Glide slope has misled the captain and as such has contributed to the accident. The possibility of sabotage or the aircraft outliving its age has been ruled out."

Sources:
» Airnieuws 301 (p. 17)
» Civil aviation aircraft accident summary for the year 1988 (DGAC India)


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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 Silchar-Kumbhirgram Airport et Gauhati-Borjhar Airport est de 192 km (120 miles).
Accident location: Global; accuracy within tens or hundreds of 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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Fokker F-27

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