# NTSB OAK67D0253: Bell 47G3B1, N1346X, Hilo, HI, March 17, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 17, 1967
- Place: Hilo, HI · HILO, HI
- Location: 19.7225° N, 155.0868° W: Placed by OpenAirDocs: center of Hilo, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=19.7225&lon=-155.0868&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 22, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 119171
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67D0253
- Page: https://openairdocs.org/ntsb/OAK67D0253

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0262  67/3/17  NR.HILO,HAWAII        BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2420
        TIME - 0815                    N1346X              PX-  0  0  0  MIL/CTR CARGO             TOTAL HOURS, 962 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: HOVERING
           COLLIDED WITH: TREES                                     IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        REMARKS- LOWERING SLING LOAD INTO FOREST.FIRST TIME OPERATION ATTEMPTED WITH FLOATS ON HELICOPTER.
```

## Aircraft

- Registration: N1346X (not matched to a registry record)
- Reported make and model: BELL 47G3B1
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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