OAK70F0210

NTSB accident investigation · Piper PA-18 · Mariposa, CA · December 26, 1969

Accident · Minor injuriesClosed
Date
December 26, 1969
Place
Mariposa, CA · MARIPOSA, CA
Injuries
1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N999EPiper PA-18
Status
Completed · report June 2, 1970
Report
Brief approved by the director
Case key
145572

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
----------------------------------------------------------------------------------------------------------------------------
3-4558  69/12/26 NR.MARIPOSA,CALIF     PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 7552
        TIME - 1931                    N999E               PX-  0  0  0  POWER/PIPELINE            TOTAL HOURS, 6000 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RENO,NEV                    BAKERSFIELD,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE,NONE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 1 CONROD BOLT FAILED,CAUSED CASE TO BREAK.OLD BOLTS USED DURING OVH.MFR RECOMMENDED NEW BOLTS.

Aircraft

Registration
N999E
Reported as
Piper PA-18
Category
Airplane
Engine
reciprocating
Damage
Destroyed

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.