# NTSB OAK74DVA27: Mooney M20F, N9366V, Turlock, CA, October 14, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 14, 1973
- Place: Turlock, CA · TURLOCK, CA
- Location: 37.5055° N, 120.8593° W: Placed by OpenAirDocs: center of Turlock, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5055&lon=-120.8593&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor
- Status: Completed, report December 4, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188376
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVA27
- Page: https://openairdocs.org/ntsb/OAK74DVA27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3096  73/10/14   TURLOCK,CALIF       MOONEY M20F         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, UNK/NR
        TIME - 0908                    N9366V              PX-  0  1  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 384 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - TURLOCK AIRPARK
        DEPARTURE POINT             INTENDED DESTINATION
          SACRAMENTO,CALIF            FRESNO,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - BENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- NR 2 CYL EXH VALVE FAILED. PLT OVERSHOT RWY & CRASHED IN FLD BESIDE RWY.
```

## Aircraft

- Registration: [N9366V](https://openairdocs.org/deregistered/N9366V-1973-11-26), registration cancelled 1973-11-26, S/N 700012 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Turlock Airpark

## 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 19731014033439A](https://openairdocs.org/incident/19731014033439A), Oct 14, 1973: Mooney M20D, Turlock, CA, Destroyed. Nr 2 cyl exh valve failed. Plt overshot rwy & crashed in fld beside rwy.

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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