# NTSB FTW76DPH02: Grumman G-164, N636U, Stuttgart, AR, August 23, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 23, 1976
- Place: Stuttgart, AR · STUTTGART, AR
- Location: 34.4952° N, 91.5486° W: Placed by OpenAirDocs: center of Stuttgart, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.4952&lon=-91.5486&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 21, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154926
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW76DPH02
- Page: https://openairdocs.org/ntsb/FTW76DPH02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2306  76/8/23    STUTTGART,AR        GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 6014
        TIME - 1600                    N636U               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          STUTTGART,AR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PROCEDURE TURNAROUND
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5000                       KIND OF OPERATION - FERTILIZING (LIQUID)
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 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 -  220                 SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
          PROCEDURE TURNAROUND - FIRST 1/3 TURN
        REMARKS- NR 2 CYL FAILED AT BASE.
```

## Aircraft

- Registration: [N636U](https://openairdocs.org/deregistered/N636U-2017-03-24), registration cancelled 2017-03-24, S/N 372, 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: [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 19760823026339A](https://openairdocs.org/incident/19760823026339A), Aug 23, 1976: Grumav G164, Stuttgart, AR, Substantial damage. Nr 2 cyl failed at base.

## Other investigations on N636U (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 CHI05LA214](https://openairdocs.org/ntsb/CHI05LA214), Aug 7, 2005: Grumman G-164 (N636U), Marshalltown, IA, substantial damage. Probable cause: The loss of engine power for an undetermined reason. A factor was the corn crop.
- [NTSB FTW78FRA19](https://openairdocs.org/ntsb/FTW78FRA19), May 1, 1978: Grumman G-164A (N636U), Baytown, TX, 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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