CHI73FEC03

NTSB accident investigation · Bensen B8M · Trenton, MI · July 30, 1972

Accident · No injuriesClosed
Date
July 30, 1972
Place
Trenton, MI · TRENTON, MI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N64808Bensen B8M
Status
Completed · report October 26, 1972
Report
Brief approved by the director
Case key
167775

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0526  72/7/30    TRENTON,MICH        BENSEN B8M          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 45, 30 TOTAL
        TIME - 1745                    N64808              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - GROSSE ILLE
        DEPARTURE POINT             INTENDED DESTINATION
          TRENTON,MICH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           DITCHING                                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - BOGUS PART
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
        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- PLT INSTALLED NON-CERTIFICATED EXHAUST SYSTEM.FIRST FLT SINCE.LND IN SHALLOW OPEN WATER.

Aircraft

Registration
N64808
Reported as
Bensen B8M
Category
Gyroplane, amateur-built
Engine
reciprocating
Damage
Substantial damage
Airport
Grosse Ille

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.