# NTSB MKC68F0499: Mooney M20E, N2639W, Thief R.Flls, MN, March 3, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 3, 1968
- Place: Thief R.Flls, MN · THIEF R.FLLS, MN
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 3, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111430
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0499
- Page: https://openairdocs.org/ntsb/MKC68F0499

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0670   68/3/3    THIEF R.FLLS,MINN   MOONEY M20E         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 1237
        TIME - 1810                    N2639W              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 189 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - INATTENTIVE TO FUEL SUPPLY
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           POWERPLANT - FUEL SYSTEM: VENTS,DRAINS,TANK CAPS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LT FUEL TANK FILLER CAP FITTED LOOSELY,CAUSED FUEL LOSS.CAPS NOT CHECKED ON PREFLIGHT.
```

## Aircraft

- Registration: [N2639W](https://openairdocs.org/aircraft/N2639W), registered now, S/N 976, built 1966 (OpenAirDocs)
- Reported make and model: MOONEY M20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (registry code 5870212) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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