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Statuts:Enquête Officielle
Date:mardi 15 août 1967
Heure:13:34
Type/Sous-type:Silhouette image of generic A748 model; specific model in this crash may look slightly different
Hawker Siddeley HS-748-222 Srs. 2
Compagnie:Channel Airways
Immatriculation: G-ATEH
Numéro de série: 1585
Année de Fabrication: 1965-08-24 (2 years)
Heures de vol:3037
Moteurs: 2 Rolls-Royce Dart 531
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 62
Total:victimes: 0 / à bord: 66
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Portsmouth Airport (PME) (   Royaume Uni)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Guernsey Airport, Channel Islands (GCI/EGJB), Royaume Uni
Aéroport de destination:Gosport-Fleetlands Heliport (PME/EGVF), Royaume Uni
Détails:
After descending below cloud to the south-east of the Isle of Wight, using Portsmouth VDF, a visual approach was made followed by an unsuccessful attempt to land on the 07 grass strip. A further circuit was made and the aircraft landed on the same strip. Ground fine propeller pitch was selected immediately after touchdown and the brakes were applied shortly afterwards. The grass was wet and, after some initial deceleration, further braking was ineffective and the
aircraft ran through the fence alongside the main road in the northeast corner of the aerodrome and came to rest across the road. The aircraft was extensively damaged but there was no fire and there were no injuries to passengers or crew.

Probable Cause:

CAUSE: "The primary cause was the inadequate braking which resulted from the extremely low coefficient of friction provided by the very wet grass over the hard, dry and almost impermeable sub-soil of the aerodrome.
The fact that no account had been taken of the extra landing distance necessary for HS 748 aircraft on wet grass must be considered as a contributory cause since had this been applied Channel Airways HS 748 operation at Portsmouth would not have taken place.



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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 Guernsey Airport, Channel Islands et Gosport-Fleetlands Heliport est de 189 km (118 miles).

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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