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Accident
Last updated: 19 October 2017
Status:Schlussbericht
Datum:Dienstag 8 Oktober 1946
Zeit:04:33
Flugzeugtyp:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas DC-4
Fluggesellschaft:United Air Lines
Kennzeichen: NC30051
Werknummer: 10471
Baujahr: 1944
Betriebsstunden:3077
Triebwerk: 4 Pratt & Whitney R-2000-11
Besatzung:Todesopfer: 0 / Insassen: 4
Fluggäste:Todesopfer: 2 / Insassen: 37
Gesamt:Todesopfer: 2 / Insassen: 41
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:2,4 km (1.5 Meilen) NW of Cheyenne Airport, WY (CYS) (   USA)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:San Francisco Municipal Airport, CA (SFO/KSFO), USA
Flug nach:Cheyenne Airport, WY (CYS/KCYS), USA
Flugnummer: 28
Unfallbericht:
At least two attempts to land had failed as the aircraft approached too high in minimum ceiling conditions. The pilot tried to maneuver the aircraft to another runway at a low altitude. The wing struck the ground and the DC-4 skidded for 700 feet. The aircraft was named "Mainliner Lake Michigan".

Probable Cause:

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was a loss of altitude during a turn preparatory to a final approach while the pilot was manoeuvring in an attempt to land."

Informationsquelle:
» CAB File No. 4048-46


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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 San Francisco Municipal Airport, CA to Cheyenne Airport, WY as the crow flies is 1546 km (966 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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