ANC70A0044

NTSB accident investigation · Bell 47J-2 · Cape Beaufrt, AK · November 21, 1969

Accident · No injuriesClosed
Date
November 21, 1969
Place
Cape Beaufrt, AK · CAPE BEAUFRT, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N8506FBell 47J-2
Status
Completed · report February 25, 1970
Report
Brief approved by the director
Case key
148444

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
----------------------------------------------------------------------------------------------------------------------------
3-3155  69/11/21 NR.CAPE BEAUFRT,ALAS  BELL 47J-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 3320
        TIME - 1345                    N8506F              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 46 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         CAPE BEAUFRT,ALAS           CAPE BEAUFRT,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           AIRFRAME - FUSELAGE: FAIRINGS
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- COUPLING UNIT SPLINES IN T/R DRIVE FAILED.

Aircraft

Registration
N8506F
Reported as
Bell 47J-2
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage