IAD76II014

NTSB incident investigation · Bell 47G-2 · Pigeon Forge, TN · August 29, 1975

Incident · No injuriesClosed
Date
August 29, 1975
Place
Pigeon Forge, TN · PIGEON FORGE, TN
Injuries
3 uninjured
Damage
Minor damage
Phase of flight
Landing
Aircraft
N6755DBell 47G-2
Status
Completed · report October 8, 1975
Report
Brief approved by the director
Safety recommendations
Yes
Case key
79428

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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
----------------------------------------------------------------------------------------------------------------------------
5-0034  75/8/29    PIGEON FORGE,TN     BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 23, 3880
        TIME - 0945                    N6755D              PX-  0  0  2  OTHER                     TOTAL HOURS, 1800 IN
                                       DAMAGE-MINOR        OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - PINE GROVE HELI
        DEPARTURE POINT             INTENDED DESTINATION
          PIGEON FORGE,TN             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- BOLT P/N 47-64I-052-3 FAILED.DRG MFG TOOL MARKS NOT POLISHED IN ACCORD WITH MFG SPECIFICATION.

Aircraft

Registration
N6755D
Reported as
Bell 47G-2
Category
Helicopter
Engine
reciprocating
Damage
Minor damage
Airport
Pine Grove Heli

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 N6755D · 1

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