# NTSB NYC69F0194: Bensen B8M, N4476, Shelburne, VT, September 14, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 14, 1968
- Place: Shelburne, VT · SHELBURNE, VT
- Location: 44.3913° N, 73.2182° W: Placed by OpenAirDocs: center of Shelburne, VT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.3913&lon=-73.2182&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 13, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 107664
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69F0194
- Page: https://openairdocs.org/ntsb/NYC69F0194

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4363  68/9/14    SHELBURNE,VT        BENSEN B8M          CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 35, 126
        TIME - 1530                    N4476               PX-  0  0  0  TEST                      TOTAL HOURS, 10 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SHELBURNE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           ROLL OVER                                                LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FOULED SPARK PLUGS.
```

## Aircraft

- Registration: [N4476](https://openairdocs.org/deregistered/N4476-1981-06-03), registration cancelled 1981-06-03, S/N 1, built 1968 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Neil Swiatek B-8M](https://openairdocs.org/model/neil-swiatek-b-8m) (registry code 1300759) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Shelburne

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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