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Status:Final
Date:Tuesday 28 November 1967
Time:21:00
Type:Silhouette image of generic VISC model; specific model in this crash may look slightly different
Vickers 745D Viscount
Operator:United Airlines
Registration: N7465
MSN: 231
First flight: 1957
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 39
Total:Fatalities: 0 / Occupants: 43
Aircraft damage: Damaged beyond repair
Location:Raleigh/Durham Airport, NC (RDU) (   United States of America)
Phase: Landing (LDG)
Nature:Domestic Scheduled Passenger
Departure airport:?
Destination airport:Raleigh/Durham Airport, NC (RDU/KRDU), United States of America
Narrative:
On rollout after landing the nose wheel steering jack twin relief valve failed due to fatigue. This caused severe oscillations, enough to cause the nose gear to collapse.

Probable Cause:

PROBABLE CAUSES:
airframe - landing gear: nosewheel steering
miscellaneous acts, conditions - fatigue fracture
FACTOR:
miscellaneous acts, conditions - vibration, excessive

Classification:
Landing gear collapse
Runway mishap

Sources:
» NTSB File 1-0058


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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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