# NTSB UNK64X3001: Bensen B8M, N4655T, Three Rivers, MI, July 24, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 24, 1964
- Place: Three Rivers, MI · THREE RIVERS, MI
- Location: 41.9454° N, 85.6295° W: Placed by OpenAirDocs: center of Three Rivers, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9454&lon=-85.6295&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 27, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182558
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3001
- Page: https://openairdocs.org/ntsb/UNK64X3001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0396  64/7/24    THREE RIVERS MICH   BENSEN B8M          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 47, 26 TOTAL
        TIME - 1030                    N4655T              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  LOW ON FUEL
        REMARKS- FATIGUE CONDITION FOUND FOR CORRECTIVE ACTION NOT RELATED TO ACCIDENT CAUSE
```

## Aircraft

- Registration: [N4655T](https://openairdocs.org/deregistered/N4655T-1975-05-12), registration cancelled 1975-05-12, S/N 2001, built 1963 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Category: Helicopter, amateur-built
- 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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