# NTSB OAK77DVG20: Grumman G-164, N10259, Esparto, CA, March 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 21, 1977
- Place: Esparto, CA · ESPARTO, CA
- Location: 38.6934° N, 122.0240° W: Placed by OpenAirDocs: center of Esparto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6934&lon=-122.0240&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 April 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157716
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVG20
- Page: https://openairdocs.org/ntsb/OAK77DVG20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0429  77/3/21  NR.ESPARTO,CA         GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1500                    N10259              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   31, 3878 TOTAL HOURS, 670
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ESPARTO,CA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  200
        REMARKS- PLT STATED COMPANY POLICY WAS TO USE LESS THAN MAX POWER ON T/O FOR ENGINE LONGEVITY.
```

## Aircraft

- Registration: [N10259](https://openairdocs.org/deregistered/N10259-1988-09-26), registration cancelled 1988-09-26, S/N 59 (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

## 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 19770321006819A](https://openairdocs.org/incident/19770321006819A), Mar 21, 1977: Grumav G164, Esparto, CA, Substantial damage. Plt stated company policy was to use less than max power on t/o for engine longevity.

## Other investigations on N10259 (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 FTW87DRD04](https://openairdocs.org/ntsb/FTW87DRD04), Apr 16, 1987: Grumman G-164 (N10259), Rayne, LA, substantial damage
- [NTSB OAK76DVG34](https://openairdocs.org/ntsb/OAK76DVG34), Nov 15, 1975: Grumman G-164 (N10259), Brooks, 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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