# NTSB OAK76DVG70: Grumman G-164A, N9925, Butte City, CA, May 8, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 8, 1976
- Place: Butte City, CA · BUTTE CITY, CA
- Location: 39.4646° N, 121.9900° W: Placed by OpenAirDocs: center of Butte City, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4646&lon=-121.9900&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 22, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153852
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVG70
- Page: https://openairdocs.org/ntsb/OAK76DVG70

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1162   76/5/8    BUTTE CITY,CA       GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 22, 1728
        TIME - 0930                    N9925               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1317 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FINN STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          BUTTE CITY,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  75
        REMARKS- CARB ACCL PUMP STEM,PN NAY9E1 AND NUT,PN P1229 NOT SAFETIED. LND IN RICE FLD.
```

## Aircraft

- Registration: [N9925](https://openairdocs.org/deregistered/N9925-2011-06-14), registration cancelled 2011-06-14, S/N 1331, built 1974 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Continental R-975 series](https://openairdocs.org/engine/continental-r-975-series) (registry code 17037, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Finn Strip

## 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 19760508011289A](https://openairdocs.org/incident/19760508011289A), May 8, 1976: Gulstm G164C, Butte City, CA, Substantial damage. Carb accl pump stem,pn NAY9E1 and nut,pn P1229 not safetied. Lnd in rice fld.

## Other investigations on N9925 (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 DEN01LA163](https://openairdocs.org/ntsb/DEN01LA163), Sep 27, 2001: Grumman-Schweizer G-164A (N9925), Parowan, UT, substantial damage. Probable cause: the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/mush into terrain. Contributing factors were the pilot's diverted attention, the rising terrain, and the high…
- [NTSB LAX84LA474](https://openairdocs.org/ntsb/LAX84LA474), Sep 8, 1984: Grumman 164A (N9925), Goodyear, AZ, 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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