# NTSB LAX81DVG47: Grumman G-164, N7933, Colusa, CA, June 29, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 29, 1981
- Place: Colusa, CA · COLUSA, CA
- Location: 39.2000° N, 122.0095° W: Placed by OpenAirDocs: center of Colusa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2000&lon=-122.0095&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 11, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124924
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81DVG47
- Page: https://openairdocs.org/ntsb/LAX81DVG47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1378  81/6/29  NR.COLUSA,CA          GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 61, 21500
        TIME - 1600                    N7933               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - TEHREL FARM STRIP
        DEPARTURE POINT             INTENDED DESTINATION
         COLUSA,CA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      105
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       3
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1500                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    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 -  50
        REMARKS- D/A APRX 3200FT.X-WND TKOF.
```

## Aircraft

- Registration: [N7933](https://openairdocs.org/deregistered/N7933-1996-06-03), registration cancelled 1996-06-03, S/N 818 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tehrel Farm 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 19810629037109A](https://openairdocs.org/incident/19810629037109A), Jun 29, 1981: Scwzer G164A, Live Oak, CA, Substantial damage. Overloaded ag airplane, unable to climb after liftoff. Crashed off end of runway. Temperature 105 degrees.

## Other investigations on N7933 (3)

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 LAX88DVG08](https://openairdocs.org/ntsb/LAX88DVG08), Jul 1, 1988: Grumman G-164A (N7933), Gridley, CA, substantial damage
- [NTSB OAK73FXQ10](https://openairdocs.org/ntsb/OAK73FXQ10-111805), Aug 21, 1972: Grumman G-164A (N7933), Fallon, NV, substantial damage
- [NTSB OAK72DXQ28](https://openairdocs.org/ntsb/OAK72DXQ28), May 3, 1972: Grumman G-164A (N7933), Fallon, NV, 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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