# NTSB MKC79FCA24: Grumman G-164A, N8499, Risco, MO, August 1, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1979
- Place: Risco, MO · RISCO, MO
- Location: 36.5517° N, 89.8187° W: Placed by OpenAirDocs: center of Risco, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.5517&lon=-89.8187&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 26, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135194
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC79FCA24
- Page: https://openairdocs.org/ntsb/MKC79FCA24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1616   79/8/1  NR.RISCO,MO           GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 8520
        TIME - 0910                    N8499               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 4500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         RISCO,MO                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           COLLIDED WITH: CROP                                      LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  300                 SWATH RUN-HOW FLOWN - CROSSWIND
```

## Aircraft

- Registration: [N8499](https://openairdocs.org/deregistered/N8499-1985-08-08), registration cancelled 1985-08-08, S/N 889 (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)
- 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 19790801021959A](https://openairdocs.org/incident/19790801021959A), Aug 1, 1979: Gulstm G164A, Risco, MO, Substantial damage. Engine failure due to water in fuel.

## Other investigations on N8499 (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 MKC78FCA27](https://openairdocs.org/ntsb/MKC78FCA27), May 31, 1978: Grumman G-164A (N8499), Lilbourn, MO, 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.

---
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.
