# NTSB OAK67A0075: Bell 47G-5, N8594F, Gridley, CA, May 1, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 1, 1967
- Place: Gridley, CA · GRIDLEY, CA
- Location: 39.3629° N, 121.6975° W: Placed by OpenAirDocs: center of Gridley, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3629&lon=-121.6975&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 25, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 117851
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67A0075
- Page: https://openairdocs.org/ntsb/OAK67A0075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0402   67/5/1  NR.GRIDLEY,CALIF      BELL 47G-5          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1530                    N8594F              PX-  0  0  0  DUAL                      AGE 38, 1540 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            385 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: OTHER
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED ALTITUDE
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- TAIL ROTOR STRUCK CROP DURING QUICK STOP MANEUVER CAUSING LOSS OF CONTROL.
```

## Aircraft

- Registration: [N8594F](https://openairdocs.org/deregistered/N8594F-2013-03-07), registration cancelled 2013-03-07, S/N 7822, built 1966 (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

## Other investigations on N8594F (1)

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 LAX80FVD29](https://openairdocs.org/ntsb/LAX80FVD29), Jun 28, 1980: Bell 47G-5 (N8594F), Stockton, CA, destroyed

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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