# NTSB MIA79FKQ25: Grumman G-164A, N48437, Sunflower, MS, August 27, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 27, 1979
- Place: Sunflower, MS · SUNFLOWER, MS
- Location: 33.5443° N, 90.5373° W: Placed by OpenAirDocs: center of Sunflower, MS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.5443&lon=-90.5373&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 11, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135272
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA79FKQ25
- Page: https://openairdocs.org/ntsb/MIA79FKQ25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1970  79/8/27  NR.SUNFLOWER,MS       GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 5275
        TIME - 0830                    N48437              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2575 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SUNFLOWER,MS                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1600                       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 USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  126                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- VALVES TO ROCKER ARM CLEARANCES ALL EXCEEDED 1/16IN,MANUAL STATES .010.CYLS COATED W BLACK SUBST.
```

## Aircraft

- Registration: [N48437](https://openairdocs.org/deregistered/N48437-2018-02-20), registration cancelled 2018-02-20, S/N 1642, built 1976 (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)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, 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 19790827020649A](https://openairdocs.org/incident/19790827020649A), Aug 27, 1979: Gulstm G164A, Sunflower, MS, Substantial damage. Engine failed. Found oily substance on plugs, excessive clearance on valves.

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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