
Unfallbericht:
The Skyvan collided in midair with a Cessna 207 (N800GA), shortly after taking off from runway 36. Both aircraft crashed.
A witness observed the Skyvan descending toward the ground in a counter-clockwise spiral from about 800 feet above the ground. The wreckage of Cessna, entangled with the wreckage of N451SA, was found on the surface of a frozen lake. The weather conditions that prevailed at the time of the accident included clear skies; visibility, about 60 miles; wind, 045 degrees at 15 knots.
PROBABLE CAUSE: "Inadequate visual look-out by the pilots of both airplanes, which resulted in their failure to see-and-avoid each other's airplanes."
| Status: | Accident investigation report completed and information captured |
| Datum: | Dienstag 25 März 1997 |
| Zeit: | 11:23 |
| Flugzeugtyp: |  Shorts SC.7 Skyvan 3-100 |
| Fluggesellschaft: | Arctic Circle Air Service |
| Kennzeichen: | N451SA |
| Werknummer: | SH.1972 |
| Baujahr: | 1980 |
| Betriebsstunden: | 10192 |
| Triebwerk: | 2 Garrett TPE331-2-201A |
| Besatzung: | Todesopfer: 1 / Insassen: 1 |
| Fluggäste: | Todesopfer: 0 / Insassen: 0 |
| Gesamt: | Todesopfer: 1 / Insassen: 1 |
| Opfer des Zusammenstoßes: | Todesopfer: 1 |
| Sachschaden: | Zerstört |
| Konsequenzen: | Written off (damaged beyond repair) |
| Unfallort: | 2,8 km (1.8 Meilen) ENE of Nunapitchuk Airport, AK (NUP) ( USA)
|
| Flugphase: | Während des Fluges (ENR) |
| Betriebsart: | Leerflug |
| Flug von: | Nunapitchuk Airport, AK (NUP), USA |
| Bethel Airport, AK (BET/PABE), USA |
The Skyvan collided in midair with a Cessna 207 (N800GA), shortly after taking off from runway 36. Both aircraft crashed.
A witness observed the Skyvan descending toward the ground in a counter-clockwise spiral from about 800 feet above the ground. The wreckage of Cessna, entangled with the wreckage of N451SA, was found on the surface of a frozen lake. The weather conditions that prevailed at the time of the accident included clear skies; visibility, about 60 miles; wind, 045 degrees at 15 knots.
Probable Cause:
PROBABLE CAUSE: "Inadequate visual look-out by the pilots of both airplanes, which resulted in their failure to see-and-avoid each other's airplanes."
Accident investigation:

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Informationsquelle:
» NTSB Identification: ANC97FA037AFotos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Nunapitchuk Airport, AK to Bethel Airport, AK as the crow flies is 35 km (22 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Nunapitchuk Airport, AK to Bethel Airport, AK as the crow flies is 35 km (22 miles).
Accident location: Approximate; accuracy within a few kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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