# NTSB FTW80FPM04: Navion B, N4860K, Smithville, OK, November 8, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 8, 1979
- Place: Smithville, OK · SMITHVILLE, OK
- Location: 34.4728° N, 94.6465° W: Placed by OpenAirDocs: center of Smithville, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.4728&lon=-94.6465&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report May 13, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 132850
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW80FPM04
- Page: https://openairdocs.org/ntsb/FTW80FPM04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3862   79/11/8   SMITHVILLE,OK       NAVION B            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 53, 2740
        TIME - 1130                    N4860K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1340 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MENA,AR                     OKLAHOMA CITY,OK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     210
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- ENCTRD DWNDRAFT DRG 180DEG TURN TO DEP TURB.
```

## Aircraft

- Registration: [N4860K](https://openairdocs.org/deregistered/N4860K-2011-03-11), registration cancelled 2011-03-11, S/N NAV-4-1860B (OpenAirDocs)
- Reported make and model: NAVION B
- Registry model: [Navion NAVION-B](https://openairdocs.org/model/navion-navion-b) (registry code 6150012) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19791108022929A](https://openairdocs.org/incident/19791108022929A), Nov 8, 1979: Tmpson NAVIONB, Smithville, OK, Destroyed. Unable to maintain VFR. Made 180 degree turn. Got too low in a downdraft. Struck trees.

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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