# NTSB MKC71DCA09: Grumman G-164, N751Y, Williamsville, MO, August 14, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 14, 1970
- Place: Williamsville, MO · WILLIAMSVILLE, MO
- Location: 36.9737° N, 90.5478° W: Placed by OpenAirDocs: center of Williamsville, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.9737&lon=-90.5478&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 3, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 110452
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71DCA09
- Page: https://openairdocs.org/ntsb/MKC71DCA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3183  70/8/14    WILLIAMSVILLE,MO    GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N751Y               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 42, 5618 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            295 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SKYWAY
        DEPARTURE POINT             INTENDED DESTINATION
          WILLIAMSVILLE,MO            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: EN ROUTE TO TREAT CROP
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2000                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          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
        REMARKS- SETTLED IN TREES. SEEDING RYE AND VETCH IN CORN.
```

## Aircraft

- Registration: [N751Y](https://openairdocs.org/aircraft/N751Y), registered now, S/N 328, built 1965 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Registry engine: [Jacobs R755A series](https://openairdocs.org/engine/jacobs-r755a-series) (registry code 35006, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Skyway

## Other investigations on N751Y (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 DEN86LA162](https://openairdocs.org/ntsb/DEN86LA162), Jun 12, 1986: Grumman G-164 (N751Y), Wessington, SD, substantial damage
- [NTSB DEN84LA237](https://openairdocs.org/ntsb/DEN84LA237), Jul 25, 1984: Grumman G-164 (N751Y), Wessington, SD, 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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