# NTSB MKC72DER25: Mooney M20C, N6558U, Walnut Grove, MN, October 8, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 8, 1971
- Place: Walnut Grove, MN · WALNUT GROVE, MN
- Location: 44.2250° N, 95.4692° W: Placed by OpenAirDocs: center of Walnut Grove, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.2250&lon=-95.4692&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164150
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72DER25
- Page: https://openairdocs.org/ntsb/MKC72DER25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4011   71/10/8   WALNUT GROVE,MINN   MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 54, 765
        TIME - 1600                    N6558U              PX-  0  0  1  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OMAHA,NEBR                  WADENA,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        REMARKS- LANDED ON ABANDONED STRIP L WING HIT CORN.
```

## Aircraft

- Registration: [N6558U](https://openairdocs.org/aircraft/N6558U), registered now, S/N 2305, built 1962 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N6558U (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 MKC75DER46](https://openairdocs.org/ntsb/MKC75DER46), Feb 1, 1975: Mooney M20C (N6558U), Hector, MN, substantial damage

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.