# NTSB SEA67D0171: Beech S35, N6147V, Eugene, OR, August 25, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 25, 1966
- Place: Eugene, OR · EUGENE, OR
- Location: 44.0521° N, 123.0868° W: Placed by OpenAirDocs: center of Eugene, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0521&lon=-123.0868&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 27, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121344
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA67D0171
- Page: https://openairdocs.org/ntsb/SEA67D0171

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4017  66/8/25    EUGENE OREG         BEECH S35           CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1513                    N6147V              PX-  0  0  0  TEST                      AGE 45, 24699 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 4000 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - MAHLON-SWEET
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: PUMP-PRESSURE
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - RPM-UNCONTROLLABLE-OVERSPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- OIL PUMP DRIVE SHAFT FAILED.ENGINE RPM EXCEEDED 3000.ENGINE TIME 1112-HAD NEVER BEEN OVERHAULED.
```

## Aircraft

- Registration: [N6147V](https://openairdocs.org/aircraft/N6147V), registered now, S/N D-7791, built 1961 (OpenAirDocs)
- Reported make and model: BEECH S35
- Registry model: [Beech S35](https://openairdocs.org/model/beech-s35) (registry code 1151532) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mahlon-Sweet

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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