# NTSB UNK65X0713: Mooney M21, N6881U, Plentywood, MT, November 15, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 15, 1964
- Place: Plentywood, MT · PLENTYWOOD, MT
- Location: 48.7760° N, 104.5573° W: Placed by OpenAirDocs: center of Plentywood, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.7760&lon=-104.5573&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 17, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181072
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0713
- Page: https://openairdocs.org/ntsb/UNK65X0713

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3494  64/11/15   PLENTYWOOD MONT     MOONEY M21          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 34, 50 TOTAL
        TIME - 1500                    N6881U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 24 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SHERWOOD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
```

## Aircraft

- Registration: [N6881U](https://openairdocs.org/aircraft/N6881U), registered now, S/N 2585, built 1963 (OpenAirDocs)
- Reported make and model: MOONEY M21
- 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
- Airport: Sherwood

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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