# NTSB UNK64X0470: Navion A, N4913K, Harper, TX, February 5, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 5, 1964
- Place: Harper, TX · HARPER, TX
- Location: 30.2999° N, 99.2442° W: Placed by OpenAirDocs: center of Harper, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.2999&lon=-99.2442&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185721
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0470
- Page: https://openairdocs.org/ntsb/UNK64X0470

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0284   64/2/5    HARPER TEX          NAVION A            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 35, 5100
        TIME - 0800                    N4913K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N4913K](https://openairdocs.org/aircraft/N4913K), registered now, S/N NAV-4-1913 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Ryan NAVION A](https://openairdocs.org/model/ryan-navion-a) (registry code 6150162) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4913K (1)

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.

- [NTSB ERA22LA396](https://openairdocs.org/ntsb/ERA22LA396), Aug 31, 2022: Navion Navion (N4913K), Newburyport, MA, substantial damage. Probable cause: The pilot’s excessive application of brakes while landing, which resulted in a nose gear collapse.

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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