# NTSB UNK64X1865: Bell 47G-2, N4021A, Enterprise, OR, May 20, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 20, 1964
- Place: Enterprise, OR · ENTERPRISE, OR
- Location: 45.4258° N, 117.2788° W: Placed by OpenAirDocs: center of Enterprise, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4258&lon=-117.2788&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 23, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 185066
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1865
- Page: https://openairdocs.org/ntsb/UNK64X1865

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0539  64/5/20  NR. ENTERPRISE OREG   BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0700                    N4021A              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 38, 6400 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3400 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SURVEY FIELD/AREA
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         TANK/HOPPER-LOCATION - SIDES
          ELEVATION-AREA BEING TREATED-FEET -  4000                SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N4021A](https://openairdocs.org/deregistered/N4021A-1988-10-06), registration cancelled 1988-10-06, S/N 1879 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4021A (2)

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 LAX85LA147](https://openairdocs.org/ntsb/LAX85LA147), Feb 20, 1985: Bell 47G-2 (N4021A), Stockton, CA, substantial damage
- [NTSB LAX82FA077](https://openairdocs.org/ntsb/LAX82FA077), Feb 19, 1982: Bell 47G2 (N4021A), Brawley, CA, 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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