# NTSB OAK75FX022: Bensen B-8M, N8183, Reno, NV, September 7, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 7, 1974
- Place: Reno, NV · RENO, NV
- Location: 39.5296° N, 119.8138° W: Placed by OpenAirDocs: center of Reno, NV, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5296&lon=-119.8138&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 13, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 138870
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75FX022
- Page: https://openairdocs.org/ntsb/OAK75FX022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3201   74/9/7  NR.RENO,NEV           BENSEN B-8M         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 29, 4040
        TIME - 1245                    N8183               PX-  0  0  0  PRACTICE                  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - STEAD
        DEPARTURE POINT             INTENDED DESTINATION
         RENO,NEV                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- RUDDER SEPARATED INFLIGHT DUE TO ROTOR BLADE CONTACT.
```

## Aircraft

- Registration: [N8183](https://openairdocs.org/deregistered/N8183-1974-10-08), registration cancelled 1974-10-08, S/N GM-003 (OpenAirDocs)
- Reported make and model: BENSEN B-8M
- Registry model: [Benson Gyroplane B8M](https://openairdocs.org/model/benson-gyroplane-b8m) (registry code 05636B7) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Stead

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740907034029A](https://openairdocs.org/incident/19740907034029A), Sep 7, 1974: Amtr 1300761, Reno, NV, Destroyed. Rudder separated inflight due to rotor blade contact.

## Other investigations on N8183 (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 MIA70DKJ37](https://openairdocs.org/ntsb/MIA70DKJ37), May 20, 1970: Bensen B-8M (N8183), Enterprise, AL, 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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