# NTSB MKC80IA003: Convair 580, N4822C, Thief Riv Fls, MN, October 31, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: October 31, 1979
- Place: Thief Riv Fls, MN · THIEF RIV FLS, MN
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 21 uninjured
- Status: Completed, report December 17, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 132876
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC80IA003
- Page: https://openairdocs.org/ntsb/MKC80IA003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0018  79/10/31   THIEF RIV FLS,MN    CONVAIR 580         CR-  0  0  3  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2150                    N4822C              PX-  0  0 18                            41, UNK/NR TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            3228 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - THIEF RIV FLS REG
        OPERATOR - REPUBLIC AIRLINES
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MINNEAPOLIS,MN              THIEF RIV FLS,MN             BRAINERD,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: RUNWAY OR APPROACH LIGHTS                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           WEATHER - SNOW
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          BLOWING SNOW                                             RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           32                                                      340
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
```

## Aircraft

- Registration: [N4822C](https://openairdocs.org/deregistered/N4822C-1997-01-27), registration cancelled 1997-01-27, S/N 377 (OpenAirDocs)
- Reported make and model: CONVAIR 580
- Registry model: [Convair 440](https://openairdocs.org/model/convair-440) (registry code 2422902) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Thief Riv Fls Reg

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.

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