ANC72AA007

NTSB accident investigation · Bell 47-J2A · King Salmon, AK · July 31, 1971

Accident · No injuriesClosed
Date
July 31, 1971
Place
King Salmon, AK · KING SALMON, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N8543FBell 47-J2A
Status
Completed · report March 13, 1972
Report
Brief approved by the director
Case key
162380

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
----------------------------------------------------------------------------------------------------------------------------
3-2717  71/7/31    KING SALMON,ALAS    BELL 47-J2A         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1100                    N8543F              PX-  0  0  2  AIR TAXI-PASSG            32, 3831 TOTAL HOURS, 659
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - KING SALMON
        DEPARTURE POINT             INTENDED DESTINATION
          KING SALMON,ALAS            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: LEVEL OFF/TOUCHDOWN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- PLT FELT VIBRTN ON LEVEL OFF,CYCLIC CTL BRACKET FAILED,ACFT HIT IN TAIL LOW ATTITUDE.

Aircraft

Registration
N8543F
Reported as
Bell 47-J2A
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage
Airport
King Salmon