# NTSB CHI81FA083: Mooney M20C, N6698U, Plymouth, OH, August 3, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 3, 1981
- Place: Plymouth, OH · PLYMOUTH, OH
- Location: 40.9970° N, 82.6674° W: Placed by OpenAirDocs: center of Plymouth, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.9970&lon=-82.6674&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report August 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124970
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FA083
- Page: https://openairdocs.org/ntsb/CHI81FA083

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1487   81/8/3  NR.PLYMOUTH,OH        MOONEY M20C         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 44, UNK/NR
        TIME - 1400                    N6698U              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OSHKOSH,WI                  MANSFIELD,OH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - OBSTRUCTIONS TO VISION
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    1200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          HAZE                                                      75
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          290                                                       3
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N6698U](https://openairdocs.org/deregistered/N6698U-2013-04-30), registration cancelled 2013-04-30, S/N 2425, built 1963 (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: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810803047139A](https://openairdocs.org/incident/19810803047139A), Aug 3, 1981: Mooney M20C, Plymouth, OH, Destroyed, 1 fatal. Broke up in flight. Witness reported thunderstorm in area. VFR pilot had not checked en route weather.

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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