# NTSB DEN81FTK20: Grumman G-164B, N6636K, Platte, SD, August 12, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 12, 1981
- Place: Platte, SD · PLATTE, SD
- Location: 43.3869° N, 98.8435° W: Placed by OpenAirDocs: center of Platte, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.3869&lon=-98.8435&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124147
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTK20
- Page: https://openairdocs.org/ntsb/DEN81FTK20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3251  81/8/12    PLATTE,SD           GRUMMAN G-164B      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 515
        TIME - 0830                    N6636K              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 83 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PLATTE,SD                   PLATTE,SD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PULLUP FROM SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  205                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1623                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- SPRAYING MILO.
```

## Aircraft

- Registration: [N6636K](https://openairdocs.org/deregistered/N6636K-2024-05-18), registration cancelled 2024-05-18, S/N 401B, built 1978 (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)
- 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: 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 19810812049309A](https://openairdocs.org/incident/19810812049309A), Aug 12, 1981: Grumav G164B, Platt, SD, Substantial damage. Aircraft hit wire and crashed during spraying operation.

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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