CHI71DEC60

NTSB accident investigation · Bensen B8M · Monroe, MI · June 27, 1971

Accident · No injuriesClosed
Date
June 27, 1971
Place
Monroe, MI · MONROE, MI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3671Bensen B8M
Status
Completed · report November 29, 1971
Report
Brief approved by the director
Case key
161158

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

On this page

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
----------------------------------------------------------------------------------------------------------------------------
3-0507  71/6/27    MONROE,MICH         BENSEN B8M          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 225
        TIME - 1730                    N3671               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 42 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GROSSE ISLE,MICH            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ACFT FLOWN CONTSLY FOR 3 HRS.CYLINDERS UNBAFFLED

Aircraft

Registration
N3671
Reported as
Bensen B8M
Category
Gyroplane, amateur-built
Engine
reciprocating
Damage
Substantial damage

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.