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Last updated: 17 January 2022
Statuts:Enquête Officielle
Date:vendredi 22 octobre 2004
Heure:10:33
Type/Sous-type:Silhouette image of generic F406 model; specific model in this crash may look slightly different
Reims Cessna F406 Caravan II
Compagnie:Highland Airways
Immatriculation: G-TWIG
Numéro de série: F406-0014
Année de Fabrication: 1987
Moteurs: 2 Pratt & Whitney Canada PT6A-112
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 0 / à bord: 0
Total:victimes: 1 / à bord: 1
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:60 km (37.5 milles) NW of Inverness (   Royaume Uni)
Élévation des lieux de l'accident: 756 m (2480 feet) amsl
Phase de vol: En vol (ENR)
Nature:Convoyage
Aéroport de départ:Stornoway Airport (SYY/EGPO), Royaume Uni
Aéroport de destination:Inverness Airport (INV/EGPE), Royaume Uni
Détails:
A Reims Cessna F406 Caravan II, G-TWIG, operated by Highland Airways, was destroyed when it collided with mountainous terrain northwest of Inverness, U.K.
The pilot was killed.
The airplane departed Stornoway Airport (SYY) at 10:15 on a positioning flight to Inverness Airport (INV). At 10:29 the pilot was cleared to descend from FL95 to FL75. Three minutes later radar contact was lost.
The aircraft wreckage was found by a mountain rescue team the following day at 13:30. It was located at an elevation of 2,480 ft amsl on Meall Feith na Slataich, a broad mountain ridge in a remote area of the Scottish Highlands.

Probable Cause:

CONCLUSION: "During a gentle descent from FL95 to FL75 in instrument meteorological conditions G-TWIG rapidly entered a dramatic and sustained manoeuvre from what initially appeared to be controlled flight at normal descent speed. Despite a determined and thorough investigation, because there was insufficient evidence from which to draw a firm conclusion, the cause or causal factors for this rapid deviation from controlled flight could not be identified."

Sources:
» AAIB


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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 Stornoway Airport et Inverness Airport est de 153 km (96 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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