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Accident
Last updated: 24 April 2018
Statuts:Enquête Préliminaire
Date:mercredi 11 avril 2018
Heure:08:18
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Operator:Hageland Aviation Services
On behalf of:Ravn Connect
Immatriculation: N814GV
Numéro de série: 208B-0958
Année de Fabrication: 2002
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 1
Dégats de l'appareil: Substantiels
Lieu de l'accident:3,2 km (2 milles) N of Atqasuk Airport, AK (ATK) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Utqiagvik-Wiley Post/Will Rogers Memorial Airport, AK (BRW/PABR), Etats-Unis d'Amérique
Aéroport de destination:Atqasuk Airport, AK (ATK/PATQ), Etats-Unis d'Amérique
Détails:
The Cessna 208B airplane, N814GV, impacted snow-covered terrain about two miles north of the Atqasuk Airport, Alaska. The pilot, the only occupant onboard, sustained minor injuries, and the airplane sustained substantial damage. The airplane was being operated by Hageland Aviation Services, Inc., as a Ravn Connect cargo/mail flight. The flight originated about 07:58, from the Utqiagvik (formerly Barrow) Airport, Alaska, and it was destined for Atqasuk, which is located about 58 miles south.
The area between Utqiagvik and Atqasuk consists of remote, flat, featureless, tundra-covered terrain, which is snow-covered in April.
Weather conditions at the time of departure consisted of clear skies, 9 miles visibility, and a light wind. After takeoff, the airplane climbed to 2,500 feet msl, and proceeded southbound towards Atqasuk. The pilot said that as the airplane neared Atqasuk, with the autopilot engaged, the airplane descended to about 1,500 feet msl, but then he noticed an area of low fog around Atqasuk. He said that when the airplane was about two miles from the airport, he heard the audible autopilot disengagement annunciator tone sound, which was immediately followed by the pilot's control column pitching forward. The pilot said that he was unable to pull the control column back, and the airplane subsequently descended into instrument meteorological conditions. He said that the airplane continued to descend into the fog, then it struck the snow-covered tundra, and nosed over. The airplane sustained substantial damage to the wings, fuselage, and empennage.

A North Slope Borough Search and Rescue helicopter pilot told the NTSB that while en route from Utqiagvik to the accident site he encountered ice fog, reduced visibility, and flat light conditions that made it difficult to discern topographical features on the snow-covered tundra. He noted that as the flight continued, both pilots noticed ice beginning to accumulate on the helicopter's windscreen, so the decision was made to abort the search and rescue flight, and the helicopter returned to Utqiagvik. A search team from Atqasuk eventually reached the accident site on snow machines and transported the pilot to Atqasuk.

Accident investigation:
Investigating agency: NTSB
Status: Investigation ongoing
Accident number: ANC18LA031

Sources:
» KTVA
» Flightaware
» FAA


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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 Utqiagvik-Wiley Post/Will Rogers Memorial Airport, AK et Atqasuk Airport, AK est de 93 km (58 miles).
Accident location: Approximate; accuracy within a few 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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