# NTSB SEA66D0197: Mooney M20C, N5704Q, Polson, MT, January 12, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 12, 1966
- Place: Polson, MT · POLSON, MT
- Location: 47.6885° N, 114.1407° W: Placed by OpenAirDocs: center of Polson, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6885&lon=-114.1407&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 7, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 173958
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66D0197
- Page: https://openairdocs.org/ntsb/SEA66D0197

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0135  66/1/12    POLSON MONT         MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 335
        TIME - 2155                    N5704Q              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - POLSON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
        REMARKS- NIGHT OPERATION.LANDING LIGHT INOPERATIVE
```

## Aircraft

- Registration: [N5704Q](https://openairdocs.org/deregistered/N5704Q-2013-04-23), registration cancelled 2013-04-23, S/N 3054, built 1965 (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
- Airport: Polson

## Other investigations on N5704Q (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 SEA67D0028](https://openairdocs.org/ntsb/SEA67D0028), Jun 15, 1966: Mooney M20C (N5704Q), Polson, MT, 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.

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