# NTSB OAK73FJA12: Bell 47G-5, N7060J, Koloa, HI, February 7, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 7, 1973
- Place: Koloa, HI · KOLOA, HI
- Location: 21.9030° N, 159.4611° W: Placed by OpenAirDocs: center of Koloa, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.9030&lon=-159.4611&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report May 11, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170369
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73FJA12
- Page: https://openairdocs.org/ntsb/OAK73FJA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0657   73/2/7    KOLOA,HAWAII        BELL 47G-5          CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 51, 13500
        TIME - 1015                    N7060J              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 11000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GROVE FARM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND CREWMAN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  150                 SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- THE HERBICIDE LOADER FORGOT TO DISCONNECT THE HERBICIDE HOSE.
```

## Aircraft

- Registration: [N7060J](https://openairdocs.org/aircraft/N7060J), registered now, S/N 25017, built 1970 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (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
- Airport: Grove Farm

## 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 19730207005789A](https://openairdocs.org/incident/19730207005789A), Feb 7, 1973: Bell 47G5, Koloa, HI, Substantial damage. The herbicide loader forgot to disconnect the herbicide hose.

## Other investigations on N7060J (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 GAA20CA034](https://openairdocs.org/ntsb/GAA20CA034), Oct 18, 2019: Bell 47G (N7060J), King City, CA, substantial damage. Probable cause: The pilot's failure to maintain a proper descent rate, which resulted in a hard landing and the main rotor blades striking the tailboom.
- [NTSB LAX03CA285](https://openairdocs.org/ntsb/LAX03CA285), Sep 13, 2003: Bell 47G-5 (N7060J), Greenfield, CA, substantial damage. Probable cause: the pilot's failure to maintain clearance with the wires due to an inadequate visual lookout.

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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