OAK70D0160

NTSB accident investigation · Bell 47G3B1 · Bishop, CA · October 7, 1969

Accident · No injuriesClosed
Date
October 7, 1969
Place
Bishop, CA · BISHOP, CA
Injuries
3 uninjured
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N3096GBell 47G3B1
Status
Completed · report January 22, 1970
Report
Brief approved by the director
Case key
159554

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
----------------------------------------------------------------------------------------------------------------------------
3-2792   69/10/7 NR.BISHOP,CALIF       BELL 47G3B1         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 41, 4545
        TIME - 1005                    N3096G              PX-  0  0  2  OTHER                     TOTAL HOURS, 1110 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MCCLURE MEADOW              DUSEY BASIN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: BLOWER,IMPELLER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          HAZE                                                      70
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           90                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- PARK PATROL. DENSITY ALT APRXLY 12500 FT. ACFT FELL INTO SMALL STREAM WENT OVER WATERFALL.

Aircraft

Registration
N3096G
Reported as
Bell 47G3B1
Category
Helicopter
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.

Other investigations on N3096G · 2

Matched to the same aircraft by N-number and date.