OAK73FVA02

NTSB accident investigation · Mooney M20F · Prether, CA · July 7, 1972

Accident · Serious injuriesClosed
Date
July 7, 1972
Place
Prether, CA · PRETHER, CA
Injuries
2 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N2925LMooney M20F
Status
Completed · report January 24, 1973
Report
Brief approved by the director
Case key
166583

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
----------------------------------------------------------------------------------------------------------------------------
3-1236   72/7/7    PRETHER,CALIF       MOONEY M20F         CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 56, 769
        TIME - 1345                    N2925L              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 708 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EARL WILSON RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          CARSON CITY,NEV             FULLERTON,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 - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 3 BEARING DOWEL PIN FAILED,OIL PASSAGE BLOCKED.CAUSED NR 3&4 CONROD FAILURES.LND IN WOODS.

Aircraft

Registration
N2925L
Reported as
Mooney M20F
Category
Airplane
Engine
reciprocating
Damage
Destroyed
Airport
Earl Wilson Ranch

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.