LAX70D0154

NTSB accident investigation · Cougar DM-1 · Chino, CA · September 28, 1969

Accident · No injuriesClosed
Date
September 28, 1969
Place
Chino, CA · CHINO, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9676ZCougar DM-1
Status
Completed · report May 13, 1970
Report
Brief approved by the director
Case key
151636

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
----------------------------------------------------------------------------------------------------------------------------
3-4097  69/9/28    CHINO,CALIF         COUGAR DM-1         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 117
        TIME - 1550                    N9676Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CHINO
        DEPARTURE POINT             INTENDED DESTINATION
          CHINO,CALIF                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: TAILWHEEL ASSEMBLIES
          PILOT-BUILDR/OWNR ALTERED,WEAKENED,T/W FORK DESIGN
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE

Aircraft

Registration
N9676Z
Reported as
Cougar DM-1
Category
Airplane, amateur-built
Engine
reciprocating
Damage
Substantial damage
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.