# NTSB OAK77DVG27: Grumman G-164, N10221, Maxwell, CA, April 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 21, 1977
- Place: Maxwell, CA · MAXWELL, CA
- Location: 39.2771° N, 122.1947° W: Placed by OpenAirDocs: center of Maxwell, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2771&lon=-122.1947&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 5, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157936
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVG27
- Page: https://openairdocs.org/ntsb/OAK77DVG27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1026  77/4/21  NR.MAXWELL,CA         GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 746
        TIME - 1420                    N10221              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 291 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MAXWELL,CA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  291                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - RICE                                      PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED
          GLOVES - 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 -  80
          SWATH RUN-HOW FLOWN - CROSSWIND                          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N10221](https://openairdocs.org/deregistered/N10221-1977-07-29), registration cancelled 1977-07-29, S/N 21 (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: Destroyed

## 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 19770421013499A](https://openairdocs.org/incident/19770421013499A), Apr 21, 1977: Grumav G164, Maxwell, CA, Destroyed

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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