# NTSB MIA67A0051: Bensen B8M, N4683S, Morrisville, NC, October 22, 1966

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 22, 1966
- Place: Morrisville, NC · MORRISVILLE, NC
- Location: 35.8364° N, 78.8390° W: Placed by OpenAirDocs: center of Morrisville, NC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8364&lon=-78.8390&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report May 23, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120967
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA67A0051
- Page: https://openairdocs.org/ntsb/MIA67A0051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1006  66/10/22   MORRISVILLE NC      BENSEN B8M          CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 46, 3000
        TIME - 1135                    N4683S              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - RALEIGH-DURHAM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - MISJUDGED SPEED
        REMARKS- PLT.PORPOISED ACFT AT HI SPEED.ZERO G CONDITION CAUSED LOSS OF BLADE CONING ACTION.HIT GRND INVRTD
```

## Aircraft

- Registration: [N4683S](https://openairdocs.org/deregistered/N4683S-1970-12-04), registration cancelled 1970-12-04, S/N 12345 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Raleigh-Durham

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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