# NTSB MKC68F0186: Cessna 170A, N6144U, Thompson, MO, August 23, 1967

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 23, 1967
- Place: Thompson, MO · THOMPSON, MO
- Location: 39.1887° N, 91.9830° W: Placed by OpenAirDocs: center of Thompson, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1887&lon=-91.9830&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 14, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 114491
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0186
- Page: https://openairdocs.org/ntsb/MKC68F0186

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0759  67/8/23    THOMPSON,MO         CESSNA 170A         CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 34, 167
        TIME - 1030                    N6144U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 158 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           OVERSHOOT                                                LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- NO.2 CYL EXHAUST VALVE PUSH ROD HOUSING FAILED. CRASHED ON ROAD.
```

## Aircraft

- Registration: [N6144U](https://openairdocs.org/deregistered/N6144U-1971-02-02), registration cancelled 1971-02-02, S/N 20074 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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