CHI67A0074

NTSB accident investigation · Bensen B8-M · Dowagiac, MI · December 12, 1966

Accident · FatalClosed
Date
December 12, 1966
Place
Dowagiac, MI · DOWAGIAC, MI
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N24133Bensen B8-M
Status
Completed · report December 11, 1967
Report
Brief approved by the director
Case key
120126

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
----------------------------------------------------------------------------------------------------------------------------
2-1174  66/12/12   DOWAGIAC MICH       BENSEN B8-M         CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 44, 18 TOTAL
        TIME - 1530                    N24133              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, UNK/NR IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - CASS COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- IT WAS NOTED THAT THE LDG GR WAS MORE RIGID THAN DESIGN INSTRUCTIONS SPECIFIED.BLADE FAILD DOWNWRD

Aircraft

Registration
N24133
Reported as
Bensen B8-M
Category
Gyroplane, amateur-built
Engine
reciprocating
Damage
Destroyed
Airport
Cass County

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.