IAD78FA087

NTSB accident investigation · Bell 47G2 · Pigeon Forge, TN · July 16, 1978

Accident · Minor injuriesClosed
Date
July 16, 1978
Place
Pigeon Forge, TN · PIGEON FORGE, TN
Injuries
4 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N47WJBell 47G2
Status
Completed · report November 22, 1978
Report
Brief approved by the director
FAA report
19780716035269A
Case key
140281

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
----------------------------------------------------------------------------------------------------------------------------
3-3357  78/7/16    PIGEON FORGE,TN     BELL 47G2           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 61, 10500
        TIME - 2010                    N47WJ               PX-  0  0  3  CTR PASSG-D               TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PIGEON FORGE,TN             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           TERRAIN - WET,SOFT GROUND
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- FATIGUE FRACTURE OF T/R BLADE GRIP.P/N 47-642-102.INSPECTED IAW AD 70-10-08.IN SERVICE 468HRS.

Aircraft

Registration
N47WJ
Reported as
Bell 47G2
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.