CHI75FEC25

NTSB accident investigation · Bensen B-8M · Grosse Ile, MI · November 23, 1974

Accident · No injuriesClosed
Date
November 23, 1974
Place
Grosse Ile, MI · GROSSE ILE, MI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N104RJBensen B-8M
Status
Completed · report January 31, 1975
Report
Brief approved by the director
FAA report
19741123039839A
Case key
144455

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
----------------------------------------------------------------------------------------------------------------------------
3-3989  74/11/23   GROSSE ILE,MICH     BENSEN B-8M         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 111
        TIME - 1408                    N104RJ              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 44 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GROSSE ILE
        DEPARTURE POINT             INTENDED DESTINATION
          GROSSE ILE,MICH             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           DITCHING                                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           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- MCCULLOCH ENG.CRANKSHAFT BROKE IN FRONT OF CRANK JOURNAL.

Aircraft

Registration
N104RJ
Reported as
Bensen B-8M
Category
Gyroplane, amateur-built
Engine
reciprocating
Damage
Substantial damage
Airport
Grosse Ile

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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.