# NTSB DEN71FTE04: Cessna 337, N2208X, Thornton, CO, May 28, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 28, 1971
- Place: Thornton, CO · THORNTON, CO
- Location: 39.8680° N, 104.9719° W: Placed by OpenAirDocs: center of Thornton, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8680&lon=-104.9719&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report January 20, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161510
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71FTE04
- Page: https://openairdocs.org/ntsb/DEN71FTE04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1712  71/5/28    THORNTON,COLO       CESSNA 337          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 60, 3300
        TIME - 1600                    N2208X              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 900 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST PAUL,MINN                BROOMFIELD,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- BOTH ENGS QUIT APRX 7MI FRM DEST.FUEL GAGES INDC 5GALS EACH MAIN TANK WHEN EMPTY.
```

## Aircraft

- Registration: [N2208X](https://openairdocs.org/deregistered/N2208X-2015-05-15), registration cancelled 2015-05-15, S/N 337-0108, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 337
- Registry model: [Cessna 337](https://openairdocs.org/model/cessna-337) (registry code 2075702) (OpenAirDocs)
- Registry engine: [Continental IO-360 series](https://openairdocs.org/engine/continental-io-360-series) (registry code 17025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N2208X (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 DEN90LA106](https://openairdocs.org/ntsb/DEN90LA106), May 6, 1990: Cessna 337 (N2208X), Broomfield, CO, substantial damage. Probable cause: THE PILOT'S FAILURE TO PROPERLY EXECUTE A PRECAUTIONARY APPROACH FOLLOWING AN ENGINE FAILURE.

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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