# NTSB IAD77DA011: Bell 47G-2, N6755D, Pigeon Forge, TN, November 6, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 6, 1976
- Place: Pigeon Forge, TN · PIGEON FORGE, TN
- Location: 35.7980° N, 83.5638° W: Placed by OpenAirDocs: center of Pigeon Forge, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.7980&lon=-83.5638&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 serious
- Status: Completed, report December 29, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 156460
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77DA011
- Page: https://openairdocs.org/ntsb/IAD77DA011

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3404   76/11/6   PIGEON FORGE,TN     BELL 47G-2          CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 24, 4764
        TIME - 1645                    N6755D              PX-  0  2  0  OTHER                     TOTAL HOURS, 1856 IN
                                       DAMAGE-DESTROYED    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                      TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- HISTORY OF TAIL ROTOR MAINTENANCE.TAIL ROTOR BLADE P/N 47-642-102-49,S/N A3-78208.
```

## Aircraft

- Registration: [N6755D](https://openairdocs.org/deregistered/N6755D-2013-07-10), registration cancelled 2013-07-10, S/N 2246, built 1959 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19761106037629A](https://openairdocs.org/incident/19761106037629A), Nov 6, 1976: Bell 47G2, Pigeon Forge, TN, Destroyed. History of tail rotor maintenance. Tail rotor blade p/n 47-642-102-49,s/n A3-78208.

## Other investigations on N6755D (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB IAD76II014](https://openairdocs.org/ntsb/IAD76II014), Aug 29, 1975: Bell 47G-2 (N6755D), Pigeon Forge, TN, incident, minor damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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