# NTSB CHI72DEP19: Doers B8M, N7195, Tichigan, WI, October 2, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 2, 1971
- Place: Tichigan, WI · TICHIGAN, WI
- Location: 42.8110° N, 88.2088° W: Placed by OpenAirDocs: center of Tichigan, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8110&lon=-88.2088&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 4, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 163533
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72DEP19
- Page: https://openairdocs.org/ntsb/CHI72DEP19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1952   71/10/2   TICHIGAN,WIS        DOERS B8M           CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 23, 2392
        TIME - 1545                    N7195               PX-  0  0  0  TEST                      TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TICHIGAN,WIS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: GO-AROUND
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- PLT INADVERTENTLY CLOSED THROTTLE. CRASHED IN LAKE AND SANK.
```

## Aircraft

- Registration: [N7195](https://openairdocs.org/aircraft/N7195), registered now, S/N D7471215, built 1971 (OpenAirDocs)
- Reported make and model: DOERS B8M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Registry engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101, reciprocating) (OpenAirDocs)
- Category: Gyroplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N7195 (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 CHI72FEP50](https://openairdocs.org/ntsb/CHI72FEP50), Jun 27, 1972: Bensen B8M (N7195), Waterford, WI, 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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