# NTSB CHI71FEA39: Bensen B8-M, N6661, Delphi, IN, June 23, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 23, 1971
- Place: Delphi, IN · DELPHI, IN
- Location: 40.5834° N, 86.6668° W: Placed by OpenAirDocs: center of Delphi, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5834&lon=-86.6668&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 3, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161708
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FEA39
- Page: https://openairdocs.org/ntsb/CHI71FEA39

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2497  71/6/23    DELPHI,IND          BENSEN B8-M         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 32, 112
        TIME - 1545                    N6661               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 99 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LOCKPORT,ILL                ALEXANDRIA,IND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- A CON ROD FAILED,ENG SIEZED,PROP SEPRTD,PLT LNDD ACFT 45DEG TO FURROWS IN PLWD FLD.
```

## Aircraft

- Registration: [N6661](https://openairdocs.org/deregistered/N6661-2000-05-17), registration cancelled 2000-05-17, S/N KEL-SHAW (OpenAirDocs)
- Reported make and model: BENSEN B8-M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed

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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