# NTSB MKC78FCA27: Grumman G-164A, N8499, Lilbourn, MO, May 31, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 31, 1978
- Place: Lilbourn, MO · LILBOURN, MO
- Location: 36.5908° N, 89.6131° W: Placed by OpenAirDocs: center of Lilbourn, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.5908&lon=-89.6131&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 19, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141756
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78FCA27
- Page: https://openairdocs.org/ntsb/MKC78FCA27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1073  78/5/31    LILBOURN,MO         GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0295                    N8499               PX-  0  0  0  AERIAL APPLICATION        AGE 38, 7900 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CATRON,MO                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3100                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - 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 -  295
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- CYL SKIRT AND VALVE CAM FAILURE.
```

## 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 19780531012629A](https://openairdocs.org/incident/19780531012629A), May 31, 1978: Gulstm G164A, Lilbourn, MO, Substantial damage. Cyl skirt and valve cam failure.

## 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 MKC79FCA24](https://openairdocs.org/ntsb/MKC79FCA24), Aug 1, 1979: Grumman G-164A (N8499), Risco, 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.

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