# NTSB DEN76FTC35: Wittman W-10, N552, Green River, WY, May 21, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 21, 1976
- Place: Green River, WY · GREEN RIVER, WY
- Location: 41.5130° N, 109.4706° W: Placed by OpenAirDocs: center of Green River, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5130&lon=-109.4706&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 16, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153437
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76FTC35
- Page: https://openairdocs.org/ntsb/DEN76FTC35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1504  76/5/21    GREEN RIVER,WY      WITTMAN W-10        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 32, UNK/NR
        TIME - 1029                    N552                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SAN JOSE,CA                 STURGIS,KY                   BATTLE MTN,NV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N552](https://openairdocs.org/deregistered/N552-1977-07-08), registration cancelled 1977-07-08, S/N 3 (OpenAirDocs)
- Reported make and model: WITTMAN W-10
- Registry model: [Korngold Ralph D WITTMAN TAILWIND W-8](https://openairdocs.org/model/korngold-ralph-d-wittman-tailwind-w-8) (registry code 9790848) (OpenAirDocs)
- Category: Airplane, amateur-built
- 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 19760521016189A](https://openairdocs.org/incident/19760521016189A), May 21, 1976: Amtr 9790504, Green River, WY, Substantial damage

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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