# NTSB SEA66A0032: Bell 47G-2, N6145C, 38mi E.Kelso, WA, November 23, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 23, 1965
- Place: 38mi E.Kelso, WA · 38MI E.KELSO, WA
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 11, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 175033
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66A0032
- Page: https://openairdocs.org/ntsb/SEA66A0032

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1079  65/11/23   38MI E.KELSO WASH   BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 2300
        TIME - 1145                    N6145C              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 101 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: SWATH RUN
           COLLIDED WITH: TREES                                     IN FLIGHT: FLAREOUT FOR SWATH RUN
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           TERRAIN - HIGH VEGETATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  101                       KIND OF OPERATION - SEEDING FORESTS
          KIND OF CROP - FOREST-TREES                              PILOT' S SEAT BELT -FASTENED-PROPERLY
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  1450                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- TAIL ROTR BLADE PN 47-642-102-49 SERIAL A3-2680 FAILED INSIDE GRIP FITTING IN STRESS RELIEF FILLET
```

## Aircraft

- Registration: [N6145C](https://openairdocs.org/deregistered/N6145C-2021-07-31), registration cancelled 2021-07-31, S/N 2182, built 1958 (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 VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N6145C (3)

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 ATL95LA145](https://openairdocs.org/ntsb/ATL95LA145), Jul 31, 1995: Bell 47G2 (N6145C), Montrose, GA, substantial damage. Probable cause: The pilot's inadequate preflight planning and visual lookout.
- [NTSB SEA82DA112](https://openairdocs.org/ntsb/SEA82DA112), Jul 15, 1982: Bell 47G-2 (N6145C), Harrah, WA, substantial damage
- [NTSB SEA67A0071](https://openairdocs.org/ntsb/SEA67A0071), Jun 1, 1967: Bell 47G-2 (N6145C), Kennewick, WA, substantial 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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