# NTSB SEA75DYG12: Bell 47G-2, N3794G, Ruff, WA, September 11, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1974
- Place: Ruff, WA · RUFF, WA
- Location: 47.1696° N, 118.9983° W: Placed by OpenAirDocs: center of Ruff, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.1696&lon=-118.9983&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 7, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 136772
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYG12
- Page: https://openairdocs.org/ntsb/SEA75DYG12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2881  74/9/11    RUFF,WASH           BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 4134
        TIME - 1400                    N3794G              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 230 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED        UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  210                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - CLOVER                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1200                              ROLLING
          SWATH RUN-HOW FLOWN - UPWIND
```

## Aircraft

- Registration: [N3794G](https://openairdocs.org/deregistered/N3794G-2013-08-13), registration cancelled 2013-08-13, S/N 2184, built 1958 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-3B](https://openairdocs.org/model/bell-47g-3b) (registry code 1181026) (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: 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 (OpenAirDocs).

- [Accident 19740911028499A](https://openairdocs.org/incident/19740911028499A), Sep 11, 1974: Bell 47G2, Ruff, WA, Substantial damage

## Other investigations on N3794G (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 SEA76DYE41](https://openairdocs.org/ntsb/SEA76DYE41), May 12, 1976: Bell 47G-3B (N3794G), Forks, WA, substantial damage
- [NTSB SEA68A0007](https://openairdocs.org/ntsb/SEA68A0007), Jul 17, 1967: Bell 47G-2 (N3794G), Palisades, WA, substantial damage
- [NTSB UNK64X3780](https://openairdocs.org/ntsb/UNK64X3780), Sep 4, 1964: Bell 47G2 (N3794G), Manson, 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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