# NTSB MKC73DCA15: Cessna 172, N7386T, Pilot Knob, MO, February 8, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 8, 1973
- Place: Pilot Knob, MO · PILOT KNOB, MO
- Location: 37.6220° N, 90.6446° W: Placed by OpenAirDocs: center of Pilot Knob, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6220&lon=-90.6446&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169475
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73DCA15
- Page: https://openairdocs.org/ntsb/MKC73DCA15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0189   73/2/8    PILOT KNOB,MO       CESSNA 172          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 72, 33000
        TIME - 1200                    N7386T              PX-  0  0  0  POWER/PIPELINE            TOTAL HOURS, 21000 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          POCAHONTAS,ARK              ST LOUIS,MO.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PIPE LINE PATROL.NR 3 INTAKE VALVE FAILED.UNABLE TO CLR TREES DUE LOW ALT-400FT,AGL.
```

## Aircraft

- Registration: [N7386T](https://openairdocs.org/deregistered/N7386T-1974-05-08), registration cancelled 1974-05-08, S/N 46986 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172A](https://openairdocs.org/model/cessna-172a) (registry code 2072404) (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 19730208003459A](https://openairdocs.org/incident/19730208003459A), Feb 8, 1973: Cessna 172A, Pilot Knob, MO, Destroyed. Pipe line patrol. Nr 3 intake valve failed. Unable to clr trees due low ALT-400FT,AGL.

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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