LAX71DUG38

NTSB accident investigation · Bell 47G3B1 · Runing Spgs, CA · January 9, 1971

Accident · No injuriesClosed
Date
January 9, 1971
Place
Runing Spgs, CA · RUNING SPGS, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N73957Bell 47G3B1
Status
Completed · report November 24, 1971
Report
Brief approved by the director
Case key
159984

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
----------------------------------------------------------------------------------------------------------------------------
3-0471   71/1/9    RUNING SPGS,CALIF   BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0728                    N73957              PX-  0  0  0  AERIAL APPLICATION        AGE 52, 11200 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 2319 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KELLER PEAK,HELIPORT        LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: RUNNING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        REMARKS- PLT FAILED TO MAINTAIN ROTOR RPM.SETTLED,CAME TO REST INVERTED.

Aircraft

Registration
N73957
Reported as
Bell 47G3B1
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage