# NTSB OAK76DVG67: Grumman G-164, N10284, Richvale, CA, April 21, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 21, 1976
- Place: Richvale, CA · RICHVALE, CA
- Location: 39.4937° N, 121.7508° W: Placed by OpenAirDocs: center of Richvale, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4937&lon=-121.7508&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 May 26, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153579
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVG67
- Page: https://openairdocs.org/ntsb/OAK76DVG67

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0832  76/4/21    RICHVALE,CA         GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 10164
        TIME - 0930                    N10284              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1534 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, UNK/NR INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LA MALFA RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          RICHVALE,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        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 - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  112
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- NR 7 CYL SPLIT ACROSS TOP.
```

## Aircraft

- Registration: [N10284](https://openairdocs.org/deregistered/N10284-1991-11-21), registration cancelled 1991-11-21, S/N 84 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: La Malfa Ranch

## 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 19760421009489A](https://openairdocs.org/incident/19760421009489A), Apr 21, 1976: Grumav G164, Richvale, CA, Substantial damage. Nr 7 cyl split across top.

## Other investigations on N10284 (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 LAX80FVG31](https://openairdocs.org/ntsb/LAX80FVG31), Apr 25, 1980: Grumman G-164 (N10284), Biggs, 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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