# NTSB NYC67A0052: Bensen B8M, N1138, Benton, PA, September 25, 1966

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 25, 1966
- Place: Benton, PA · BENTON, PA
- Location: 41.1957° N, 76.3843° W: Placed by OpenAirDocs: center of Benton, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1957&lon=-76.3843&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report May 23, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121589
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC67A0052
- Page: https://openairdocs.org/ntsb/NYC67A0052

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0993  66/9/25    BENTON PA           BENSEN B8M          CR-  1  0  0  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1300                    N1138               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  46, 16560 TOTAL HOURS, 10
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BENTON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: FINAL APPROACH
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: OTHER
          ROTORCFT-HEAD FORK ASSEMBLY STRAP P/N-6D.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- PILOT HAD NO CONTROL OF ROTOR BLADE ASSEMBLY.
```

## Aircraft

- Registration: [N1138](https://openairdocs.org/deregistered/N1138-1970-09-03), registration cancelled 1970-09-03, S/N 1965 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Miller B-8M GYROCOPTER](https://openairdocs.org/model/miller-b-8m-gyrocopter) (registry code 1301040) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Benton

## Other investigations on N1138 (1)

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.

- [NTSB NYC66A0048](https://openairdocs.org/ntsb/NYC66A0048), Oct 3, 1965: Bensen B8M (N1138), Benton, PA, 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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