# NTSB FTW78DRA27: Grumman G-164A, N9935, Alvin, TX, June 12, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 12, 1978
- Place: Alvin, TX · ALVIN, TX
- Location: 29.4248° N, 95.2244° W: Placed by OpenAirDocs: center of Alvin, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4248&lon=-95.2244&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 24, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141281
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78DRA27
- Page: https://openairdocs.org/ntsb/FTW78DRA27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1534  78/6/12    ALVIN,TX            GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N9935               PX-  0  0  0  AERIAL APPLICATION        AGE 31, 2830 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALVIN,TX                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2770                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  30                  SWATH RUN-HOW FLOWN - UPWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
```

## Aircraft

- Registration: [N9935](https://openairdocs.org/deregistered/N9935-2012-11-27), registration cancelled 2012-11-27, S/N 1338, built 1974 (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 R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (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 19780612014599A](https://openairdocs.org/incident/19780612014599A), Jun 12, 1978: Gulstm G164C, Alvin, TX, Substantial damage

## Other investigations on N9935 (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 CHI92DTG03](https://openairdocs.org/ntsb/CHI92DTG03), Jun 24, 1992: Grumman G-164A (N9935), Orr, ND, substantial damage. Probable cause: A STALL ENCOUNTERED DURING THE SPRAY RUN REVERSAL TURN. FACTORS RELATED TO THE ACCIDENT ARE THE ATTEMPTED DOWNWIND TURN, AND INSUFFICIENT ALTITUDE FOR RECOVERY.

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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