# NTSB CHI74DEM03: Bensen B8M, N1045Z, Aloha, MI, July 15, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 15, 1973
- Place: Aloha, MI · ALOHA, MI
- Location: 45.5264° N, 84.4667° W: Placed by OpenAirDocs: center of Aloha, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5264&lon=-84.4667&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189688
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74DEM03
- Page: https://openairdocs.org/ntsb/CHI74DEM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1733  73/7/15    ALOHA,MICH          BENSEN B8M          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 32, 63 TOTAL
        TIME - 1545                    N1045Z              PX-  0  0  0  TRAINING                  HOURS, 29 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHEBOYGAN,MICH              INDIAN RIVER,MICH.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           DITCHING                                                 LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- RTRN SPRING PORTION OF IGNITION POINT ASSEMBLY BKN.
```

## Aircraft

- Registration: N1045Z (not matched to a registry record)
- Reported make and model: BENSEN B8M
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage

## 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 19730715021149A](https://openairdocs.org/incident/19730715021149A), Jul 15, 1973: Amtr 0560310, Aloha, MI, Substantial damage. Rtrn spring portion of ignition point assembly bkn.

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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