# NTSB OAK79DVA34: Grumman G164A, N927X, Los Banos, CA, May 25, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 25, 1979
- Place: Los Banos, CA · LOS BANOS, CA
- Location: 37.0634° N, 120.8384° W: Placed by OpenAirDocs: center of Los Banos, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.0634&lon=-120.8384&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 28, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136021
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DVA34
- Page: https://openairdocs.org/ntsb/OAK79DVA34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0871  79/5/25    LOS BANOS,CA        GRUMMAN G164A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 1843
        TIME - 0845                    N927X               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 160 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AG STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          AG STRIP-LOS BANOS C        LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1350                       KIND OF OPERATION - OTHER
          KIND OF CROP - FRUIT ORCHARDS                            TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  150                 SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- ALMOND ORCHARD.
```

## Aircraft

- Registration: [N927X](https://openairdocs.org/deregistered/N927X-1988-11-18), registration cancelled 1988-11-18, S/N 439 (OpenAirDocs)
- Reported make and model: GRUMMAN G164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ag 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 19790525010189A](https://openairdocs.org/incident/19790525010189A), May 25, 1979: Gulstm G164A, Los Banos, CA, Substantial damage. Forced landing due to failure of number 9 cylinder.

## Other investigations on N927X (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 IAD70F0073](https://openairdocs.org/ntsb/IAD70F0073), Sep 2, 1969: Grumman G-164A (N927X), Creswell, NC, 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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