# NTSB UNK64X1251: Grumman G164, N599Y, Grimes, CA, April 11, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 11, 1964
- Place: Grimes, CA · GRIMES, CA
- Location: 39.0742° N, 121.8988° W: Placed by OpenAirDocs: center of Grimes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0742&lon=-121.8988&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 September 10, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184684
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1251
- Page: https://openairdocs.org/ntsb/UNK64X1251

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0879  64/4/11    GRIMES CALIF        GRUMMAN G164        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 5000
        TIME - 1845                    N599Y               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 875 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - THAYER BROTHERS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           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 - 5000                       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 - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  56
        REMARKS- FAILURE OF NO 3 CYLINDER
```

## Aircraft

- Registration: [N599Y](https://openairdocs.org/deregistered/N599Y-1980-09-22), registration cancelled 1980-09-22, S/N 190 (OpenAirDocs)
- Reported make and model: GRUMMAN G164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Thayer Brothers

## Other investigations on N599Y (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 OAK77DVG46](https://openairdocs.org/ntsb/OAK77DVG46), Jun 25, 1977: Grumman G-164 (N599Y), Ncolusa, CA, destroyed
- [NTSB OAK68D0330](https://openairdocs.org/ntsb/OAK68D0330), Feb 26, 1968: Grumman G-164 (N599Y), Grimes, CA, 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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