# NTSB FTW75DRA26: Grumman G-164A, N4579, El Campo, TX, May 12, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 12, 1975
- Place: El Campo, TX · EL CAMPO, TX
- Location: 29.2007° N, 96.2723° W: Placed by OpenAirDocs: center of El Campo, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.2007&lon=-96.2723&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148524
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75DRA26
- Page: https://openairdocs.org/ntsb/FTW75DRA26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0987  75/5/12    EL CAMPO,TX         GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2543
        TIME - 1830                    N4579               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 179 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AG AVIATION
        DEPARTURE POINT             INTENDED DESTINATION
          EL CAMPO,TX                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           SYSTEMS - HYDRAULIC SYSTEM: BY-PASS VALVE
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          ELEVATION-AREA BEING TREATED-FEET -  2600
        REMARKS- L BRAKE MASTER CYL HELD IN OPEN PSN BY CONTAMINATION IN HYD FLUID.CLEVELAND P/N 189-119
```

## Aircraft

- Registration: [N4579](https://openairdocs.org/deregistered/N4579-2013-06-18), registration cancelled 2013-06-18, S/N 1063, built 1973 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ag Aviation

## 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 19750512010819A](https://openairdocs.org/incident/19750512010819A), May 12, 1975: Gulstm G164A, El Campo, TX, Substantial damage. L brake master cyl held in open psn by contamination in hyd fluid. Cleveland p/n 189-119

## Other investigations on N4579 (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 MIA89LA203](https://openairdocs.org/ntsb/MIA89LA203), Jul 19, 1989: Grumman G-164A (N4579), Schlater, MS, substantial damage. Probable cause: INADEQUATE PREFLIGHT PLANNING/PREPARATION BY THE PILOT WHICH RESULTED IN THE SELECTION OF THE WRONG RUNWAY. THE TAILWINDAND DIRT BANK WERE CONSIDERED TO BE CONTRIBUTING FACTORS.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.