# NTSB FTW70AF070: Beech A35, N4503V, Wynona, OK, April 30, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 30, 1970
- Place: Wynona, OK · WYNONA, OK
- Location: 36.5458° N, 96.3264° W: Placed by OpenAirDocs: center of Wynona, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.5458&lon=-96.3264&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report August 24, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 135338
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70AF070
- Page: https://openairdocs.org/ntsb/FTW70AF070

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0734  70/4/30    WYNONA,OKLA         BEECH A35           CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 34, UNK/NR
        TIME - 2430                    N4503V              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BARTLESVILLE,OKLA          UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      66
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           60                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- FLT PHASE UNKN.
```

## Aircraft

- Registration: [N4503V](https://openairdocs.org/deregistered/N4503V-1970-09-03), registration cancelled 1970-09-03, S/N D-1324 (OpenAirDocs)
- Reported make and model: BEECH A35
- Registry model: [Beech 35](https://openairdocs.org/model/beech-35) (registry code 1151502) (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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