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Accident
Last updated: 23 October 2017
Statuts:Enquête Officielle
Date:jeudi 10 avril 1997
Heure:20:30
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Compagnie:Hageland Aviation Services
Immatriculation: N408GV
Numéro de série: 208B-0455
Année de Fabrication: 1995
Heures de vol:1700
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 4 / à bord: 4
Total:victimes: 5 / à bord: 5
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:8 km (5 milles) NW de Wainwright, AK (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Barrow-Point Barrow Airport, AK (PBA), Etats-Unis d'Amérique
Aéroport de destination:Wainwright Airport, AK (AIN/PAWI), Etats-Unis d'Amérique
Détails:
The pilot had contacted the Barrow Flight Service Station (FSS) eleven times on the day of the accident to obtain weather briefings. The conditions were below VFR minimums, which were required to conduct the passenger-carrying commercial flight in a single-engine airplane. The conditions later improved and the pilot departed under a special VFR clearance. The pilot performed two approaches at the Wainwright Airport (AIN) in IMC that were consistent with the two GPS approaches that were available there. Weather data and witnesses indicate that daylight conditions, low clouds and poor visibility prevailed, with cloud tops at 1,000 feet. After the second approach, the pilot radioed that he was heading back to the departure airport because he could not see the airport. The airplane impacted the frozen Arctic Ocean in a right bank and at a 60-degree nose-down attitude about three miles away from the location of the pilot's last radio transmission. An examination of the airplane before it sank through cracking ice, revealed no pre-impact mechanical malfunctions. An examination of the propeller revealed that it was under a power setting consistent with a maneuvering airspeed at the time of impact. The airplane was nearly full of fuel and over its published maximum gross weight at impact. Small pieces of clear ice, about 1/4-inch thick, were found on portions of the tail surfaces. Interviews with operator employees and the pilot's wife revealed that the pilot may have felt pressure from himself and passengers to complete the flight.

Probable Cause:

PROBABLE CAUSE: "The pilot's intentional VFR flight into instrument meteorological conditions and his failure to maintain altitude/clearance from terrain. Factors contributing to the accident were the weather conditions.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: ANC97MA161
Download report: Summary report

Sources:
» NTSB id ANC97MA161


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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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