# NTSB MIA78DKQ33: Grumman G-164B, N6645Q, Benton, MS, August 20, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 20, 1978
- Place: Benton, MS · BENTON, MS
- Location: 32.8216° N, 90.2617° W: Placed by OpenAirDocs: center of Benton, MS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8216&lon=-90.2617&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 26, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139644
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA78DKQ33
- Page: https://openairdocs.org/ntsb/MIA78DKQ33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2720  78/8/20  NR.BENTON,MS          GRUMMAN G-164B      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 2500
        TIME - 1200                    N6645Q              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LOWELL'S FIELD
        DEPARTURE POINT             INTENDED DESTINATION
         BENTON,MS                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
         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-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  300                 SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- APPROX 300 FEET OF ELECTRICAL CABLE TRAILED FROM ACFT.
```

## Aircraft

- Registration: [N6645Q](https://openairdocs.org/aircraft/N6645Q), registered now, S/N 172B (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lowell'S Field

## 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 19780820025039A](https://openairdocs.org/incident/19780820025039A), Aug 20, 1978: Gulstm G164A, Benton, MS, Substantial damage. Approx 300 feet of electrical cable trailed from acft.

## Other investigations on N6645Q (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 NYC06LA178](https://openairdocs.org/ntsb/NYC06LA178), Jul 11, 2006: Grumman-Schweizer G-164B (N6645Q), Frederick, MD, substantial damage. Probable cause: A failure of the masterod, due to a hydraulic lock on a previous flight, which resulted in a total loss of engine power.

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.