# NTSB SEA71DWG09: Bensen B-8M, Lewiston, ID, May 22, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 22, 1970
- Place: Lewiston, ID · LEWISTON, ID
- Location: 46.3931° N, 116.9935° W: Placed by OpenAirDocs: center of Lewiston, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.3931&lon=-116.9935&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 14, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 120194
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DWG09
- Page: https://openairdocs.org/ntsb/SEA71DWG09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2739  70/5/22    LEWISTON,ID         BENSEN B-8M         CR-  0  0  1  NONCOMMERCIAL             NO CERTIFICATE, AGE 39, 4
        TIME - 1621                    NONE                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LEWISTON-NEZ PERC
        DEPARTURE POINT             INTENDED DESTINATION
          LEWISTON,ID                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           ROLL OVER                                                LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        REMARKS- PLT SAID PERFORMING TAXI TESTS.ACFT OBSVD IN FLT 8-10FT AGL,DRFTD OFF RWY OVERTURNED.NOT REGISTERD
```

## Aircraft

- Registration: NONE (not matched to a registry record)
- Reported make and model: BENSEN B-8M
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lewiston-Nez Perc

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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