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Accident
Last updated: 20 October 2017
Statuts:Enquête Officielle
Date:jeudi 8 février 2007
Heure:02:25
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Compagnie:Suburban Air Freight
Immatriculation: N1116Y
Numéro de série: 208B-0368
Année de Fabrication: 1993
Heures de vol:7248
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: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:8 km (5 milles) NW of Alliance Airport, NE (AIA) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Omaha-Eppley Airfield, NE (OMA/KOMA), Etats-Unis d'Amérique
Aéroport de destination:Scottsbluff-Western Nebraska Regional Airport/William B. Heilig Field, NE (BFF/KBFF), Etats-Unis d'Amérique
Numéro de vol: 22
Détails:
Suburban Air Freight flight 22 departed Omaha-Eppley (OMA) at 23:45 for a non-scheduled domestic cargo flight to Scottsbluff (BFF). The pilot was dispatched to Scottsbluff instead of his usual destination, Alliance Airport, NE (AIA) because Scottsbluff had a precision instrument approach, while Alliance Airport did not. The pilot elected to fly to his usual airport, and attempted a nonprecision instrument approach. The airport had both a VOR and an NDB approach. The NDB approach was noted as being out of service, although there was still a radio signal coming from the navigation aid. The pilot was cleared for the VOR approach, although instrumentation inside the cockpit was found set for the NDB approach, and radar track data disclosed that the flight path was consistent with the NDB approach path, not the VOR's. The airport's reported weather was 1.25 miles visibility, with a 200-foot overcast in mist. The airport's minimum NDB approach altitude is 652 feet above touchdown height. The airplane did not reach the runway, and collided with a pole and a building.

Probable Cause:

PROBABLE CAUSE: "The pilot's descent below minimum descent altitude while on a nonprecision approach. A contributing factor was a low ceiling."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 3 months
Accident number: CHI07FA068
Download report: Summary report

Sources:
» NTSB


Photos

photo of Cessna 208B Grand Caravan N1116Y
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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 Omaha-Eppley Airfield, NE et Scottsbluff-Western Nebraska Regional Airport/William B. Heilig Field, NE est de 639 km (399 miles).
Accident location: Exact; deduced from official accident report.

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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