# Accident 19831220065129A: Doug DC931, Sioux Falls, SD, December 20, 1983

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 20, 1983, 13:17 local time
- Place: Sioux Falls, SD
- Airport: Joe Foss
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: Air carrier (Part 121)
- Operator: OZAA
- Location: 43.5816° N, 96.7409° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.5816&lon=-96.7409&mi=10
- Aircraft: N994Z, a cancelled registration (https://openairdocs.org/deregistered/N994Z-2013-03-21) (OpenAirDocs)
- Registry model: Douglas DC-9-31 (registry code 3022065, https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-1 (registry code 52044, https://openairdocs.org/engine/pratt-whitney-jt8d-1) (OpenAirDocs)
- Reported make and model: DOUG DC931
- Reported engine: PWA JT8D7
- People aboard: 82
- Fatal injuries: 0
- Pilot flight hours: 25,217 total, 9,776 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB DCA84AA012](https://openairdocs.org/ntsb/DCA84AA012) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19831220065129A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AIRCRAFTS RIGHT WING HIT SNOW REMOVAL VEHICLE DURING LANDING ROLL. PILOTS WERE NOT AADVISED OF VEHICLE ACTIVITY.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA84AA012](https://openairdocs.org/ntsb/DCA84AA012), Dec 20, 1983: Douglas DC-9-31 (N994Z), Sioux Falls, SD, substantial damage, 1 fatal

## Other reports on N994Z (4)

Matched to the same aircraft by N-number and date.

- [Incident 19870420016179I](https://openairdocs.org/incident/19870420016179I), Apr 20, 1987: Doug DC931 (N994Z), Washington, DC. Aircraft oscillated and yawed at cruise with and without autopilot on. Safe manual landing. Yaw damper assy failed.
- [Incident 19790908034859I](https://openairdocs.org/incident/19790908034859I), Sep 8, 1979: Doug DC9 (N994Z), Des Moines, IA. Right wing slats extended in cruise. Found overcenter spring on control valve out of position.
- [Incident 19790410010589I](https://openairdocs.org/incident/19790410010589I), Apr 10, 1979: Doug DC9 (N994Z), Columbia, MO, Minor damage. Pilot landed normally on wet, nongrooved runway. Tower reported crosswind. May have been tailwind.
- [Incident 19781120026029I](https://openairdocs.org/incident/19781120026029I), Nov 20, 1978: Doug DC9 (N994Z), Rockford, IL. Crew was unable to maintain aircraft control on icy taxiway. Towed back to the gate.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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