Accident
Last updated: 24 April 2014
Status:Schlussbericht
Datum:Freitag 12 März 1948
Zeit:21:14
Flugzeugtyp:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas C-54G-1-DO
Fluggesellschaft:Northwest Airlines
Kennzeichen: NC95422
Werknummer: 35966
Baujahr: 1945
Betriebsstunden:3306
Triebwerk: 4 Pratt & Whitney R-2000-13
Besatzung:Todesopfer: 6 / Insassen: 6
Fluggäste:Todesopfer: 24 / Insassen: 24
Gesamt:Todesopfer: 30 / Insassen: 30
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Mount Sanford, AK (   USA) show on map
Flugphase: Während des Fluges (ENR)
Betriebsart:Inländischer außerplanmäßiger Passagierflug
Flug von:Anchorage-Merrill Field, AK (MRI/PAMR), USA
Flug nach:New York-La Guardia Airport, NY (LGA/KLGA), USA
Flugnummer:4422
Unfallbericht:
Northwest flight 4422 was a non-scheduled charter flight en route from Shanghai-Lunghwa Airport to La Guardia Field. An intermediate stop was made at Anchorage. Take-off from Anchorage was accomplished at 20:12 and the DC-4 climbed to the cruising altitude of 11,000 feet. The last position report was at 21:03 when the flight reported being over the Gulkana radio range station. At that point the airway deflects to the north, its course being 23 degrees, to provide a safe lateral distance from Mt. Sanford which has an elevation of 16,208 feet. The DC-4 continued off the airway and flew into Mount Sanford. The wreckage slid down for about 3000 feet before coming to rest. The wreckage was spotted the day after the accident, but it took until July 24, 1999 before someone was able to reach the crash site.

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was the pilot's failure to see Mt. Sanford, which was probably obscured by clouds or the aurora borealis or both while flying a course off the airway."

Informationsquelle:
» CAB File No. 1-0025


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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 Anchorage-Merrill Field, AK to New York-La Guardia Airport, NY as the crow flies is 5367 km (3355 miles).

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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Douglas DC-4

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