# NTSB MKC71FTG25: Cessna 170B, N1769D, Williston, ND, May 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 6, 1971
- Place: Williston, ND · WILLISTON, ND
- Location: 48.1895° N, 103.6491° W: Placed by OpenAirDocs: center of Williston, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1895&lon=-103.6491&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 5, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161262
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71FTG25
- Page: https://openairdocs.org/ntsb/MKC71FTG25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1463   71/5/6    WILLISTON,N DAK     CESSNA 170B         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 28, 45 TOTAL
        TIME - 1325                    N1769D              PX-  0  0  0  TRAINING                  HOURS, 42 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - WILLISTON
        DEPARTURE POINT             INTENDED DESTINATION
          WATFORD CITY,N DAK          WILLISTON,N DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           WEATHER - LOCAL WHIRLWIND
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     260
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           8                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- DUST DEVILS IN AREA.
```

## Aircraft

- Registration: [N1769D](https://openairdocs.org/deregistered/N1769D-1973-02-16), registration cancelled 1973-02-16, S/N 20346 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Williston

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.