LAX67A0070

NTSB accident investigation · Bensen B-8M · Chino, CA · January 28, 1967

Accident · FatalClosed
Date
January 28, 1967
Place
Chino, CA · CHINO, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N9677ZBensen B-8M
Status
Completed · report June 13, 1967
Report
Brief approved by the director
Case key
119061

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
----------------------------------------------------------------------------------------------------------------------------
2-0030  67/1/28    CHINO CALIF         BENSEN B-8M         CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 36, 39 TOTAL
        TIME - 1630                    N9677Z              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CHINO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
          PERSONNEL-ROTOR SPINDLE NOT MADE TO SPECIFICATIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- BUILDER OF N9677Z NOT DETERMINED.

Aircraft

Registration
N9677Z
Reported as
Bensen B-8M
Category
Gyroplane, amateur-built
Engine
reciprocating
Damage
Destroyed
Airport
Chino

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.