Accident
Last updated: 25 November 2014
Statuts:Enquête Officielle
Date:dimanche 16 mai 1982
Heure:10:15 ADT
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 200
Opérant pour:Wien Air Alaska
Loué à :Kodiak Aviation
Immatriculation: N103AQ
Numéro de série: 183
Année de Fabrication: 1968
Heures de vol:15267
Moteurs: 2 Pratt & Whitney Canada PT6A-20
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 6
Total:victimes: 0 / à bord: 8
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Hooper Bay, AK (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Charter National
Aéroport de départ:Scammon Bay SPB, AK (SCM), Etats-Unis d'Amérique
Aéroport de destination:Hooper Bay Airport, AK (HPB), Etats-Unis d'Amérique
Numéro de vol: 517
Détails:
The Twin Otter crashed 1320 feet short of runway 13 onto hard-packed snow and ice.
The airplane was owned by Kodiak Aviation and leased to, and operated by, Gifford Aviation. Gifford Aviation, Inc., was operating the flight under contract to Wien Air Alaska.


PROBABLE CAUSE: "The flight crew's failure to compute and properly interpret the aircraft's weight and balance and their operation of the aircraft with the centre of gravity substantially aft of its authorized limit which resulted in loss of control of the aircraft during a landing attempt."

Sources:
» NTSB-AAR-82-16

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-82-16
report released:18-NOV-1982
duration of investigation:186 days (6.2 months)
download report: Gifford Aviation, Inc., DeHavilland DHC-6, N103A0, Hooper Bay, Alaska, May 16, 1982. (NTSB/AAR-82-16)
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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Scammon Bay SPB, AK et Hooper Bay Airport, AK est de 47 km (29 miles).

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