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Date:Tuesday 20 December 1983
Type:Silhouette image of generic DC93 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-31
Operator:Ozark Air Lines
Registration: N994Z
MSN: 47097/193
First flight: 1967
Engines: 2 Pratt & Whitney JT8D-7B
Crew:Fatalities: 0 / Occupants: 5
Passengers:Fatalities: 0 / Occupants: 81
Total:Fatalities: 0 / Occupants: 86
Ground casualties:Fatalities: 1
Aircraft damage: Substantial
Aircraft fate: Repaired
Location:Sioux Falls Regional Airport, SD (FSD) (   United States of America)
Phase: Landing (LDG)
Nature:Domestic Scheduled Passenger
Departure airport:Sioux City-Municipal Airport, IA (SUX/KSUX), United States of America
Destination airport:Sioux Falls Regional Airport (Jo Foss Field), SD (FSD/KFSD), United States of America
Flightnumber: 650
The right wing struck a snow plough on runway 03. The wing separated and the plane swerved off the runway.

Probable Cause:

PROBABLE CAUSE: " Inadequate Control Tower Service by Air Traffic Control Personnel. Factors relating to the accident were weather conditions; snow, obscuration, low ceiling; and vehicles on the runway."

» NTSB/AAR-85/01/SUM


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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 Sioux City-Municipal Airport, IA to Sioux Falls Regional Airport (Jo Foss Field), SD as the crow flies is 133 km (83 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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