# NTSB MIA71FKW06: Mooney M20C, N7857V, Athens, TN, August 20, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 20, 1970
- Place: Athens, TN · ATHENS, TN
- Location: 35.4568° N, 84.6046° W: Placed by OpenAirDocs: center of Athens, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4568&lon=-84.6046&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report January 14, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 113141
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA71FKW06
- Page: https://openairdocs.org/ntsb/MIA71FKW06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1562  70/8/20    ATHENS,TENN         MOONEY M20C         CR-  0  1  0  NONCOMMERCIAL             STUDENT, AGE 58, 865
        TIME - 1520                    N7857V              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MCMINN COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          KNOXVILLE,TENN              ATLANTA,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 3 EXHAUST VALVE PN 71595 FAILED.
```

## Aircraft

- Registration: [N7857V](https://openairdocs.org/deregistered/N7857V-1972-02-17), registration cancelled 1972-02-17, S/N 2820 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mcminn County

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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