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Accident
Last updated: 20 October 2017
Status:Schlussbericht
Datum:Dienstag 25 September 2001
Zeit:16:09
Flugzeugtyp:Silhouette image of generic DC6 model; specific model in this crash may look slightly different
Douglas DC-6BF
Fluggesellschaft:Northern Air Cargo
Kennzeichen: N867TA
Werknummer: 45202/880
Baujahr: 1957
Betriebsstunden:70754
Triebwerk: 4 Pratt & Whitney R-2800-CB3
Besatzung:Todesopfer: 0 / Insassen: 3
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 0 / Insassen: 3
Sachschaden: schwer beschädigt
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Deadhorse-Alpine Airstrip, AK (DQH) (   USA)
Flugphase: Landung (LDG)
Betriebsart:Frachtflug
Flug von:Prudhoe Bay/Deadhorse Airport, AK (SCC/PASC), USA
Flug nach:Deadhorse-Alpine Airstrip, AK (DQH/PALP), USA
Flugnummer: 690
Unfallbericht:
Northern Air Cargo Flight 690 departed Deadhorse for a flight to Alpine airstrip at around 15:30. The purpose of the flight was to deliver about 20,000 pounds of oil drilling equipment to a remote oil production site. Light snow showers were present, with visibility reported at 4 miles. The captain stated that during final approach, as the airplane passed over the airstrip threshold, a higher than normal sink rate was encountered. He said that the initial touchdown was "firm", but was thought to be within acceptable tolerances. Just after touchdown, the left wing broke free from the airplane at the wing to fuselage attach point. The airplane veered to the left, continued off the left side of the 5,000 feet long by 75 feet runway, down an embankment, and came to rest in an area of wet, tundra-covered terrain. A postcrash fire ensued, heavily damaging the center section of the fuselage.

Probable Cause:

PROBABLE CAUSE: "The flightcrew's continued use of an unstabilized GPS approach. Factors associated with the accident were low ceilings, and the inadequate coordination between the crew."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 12 months
Accident number: ANC01LA146
Download report: Summary report

Informationsquelle:
» NTSB


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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 Prudhoe Bay/Deadhorse Airport, AK to Deadhorse-Alpine Airstrip, AK as the crow flies is 94 km (59 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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