# NTSB OAK66A0022: Bell 47D1, N68632, Bells Station, CA, November 10, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 10, 1965
- Place: Bells Station, CA · BELLS STATION, CA
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 1, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174885
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0022
- Page: https://openairdocs.org/ntsb/OAK66A0022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0850  65/11/10 NR.BELLS STATION CAL  BELL 47D1           CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1200                    N68632              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 45, 4305 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1300 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                STATIC: OTHER
        PROBABLE CAUSE(S)
          PILOT-INADVERTENTLY MOVED COLLECTIVE CONTROL LEVER
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
        FACTOR(S)
           PILOT IN COMMAND - LEFT AIRCRAFT UNATTENDED, ENGINE RUNNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  350                       KIND OF OPERATION - SEEDING FORESTS
          KIND OF CROP - PASTURE                                   PILOT' S SEAT BELT -NOT FASTENED
          GLOVES - USED                                            CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  2200                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- PILOT BUMPED COLLECTIVE-DEPLANING WITH ENG OPRTG
```

## Aircraft

- Registration: [N68632](https://openairdocs.org/deregistered/N68632-2013-05-02), registration cancelled 2013-05-02, S/N WH5003, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6VS-335 series](https://openairdocs.org/engine/franklin-6vs-335-series) (registry code 27040, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N68632 (4)

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 ATL92LA131](https://openairdocs.org/ntsb/ATL92LA131), Jun 25, 1992: Bell 47D1 (N68632), Centre, AL, substantial damage. Probable cause: THE PILOT'S INADEQUATE VISUAL LOOKOUT, RESULTING IN A COLLISION WITH A WIRE.
- [NTSB ATL83LA315](https://openairdocs.org/ntsb/ATL83LA315), Aug 6, 1983: Bell 47D1 (N68632), Moultrie, GA, substantial damage
- [NTSB MIA79FLD57](https://openairdocs.org/ntsb/MIA79FLD57), Apr 13, 1979: Bell 47-D1 (N68632), Clearwater, FL, destroyed
- [NTSB CHI71DEI52](https://openairdocs.org/ntsb/CHI71DEI52), May 27, 1971: Bell 47D1 (N68632), Bloomdale, OH, 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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