# NTSB FTW81DPG70: Air Tractor AT-301, N8593S, Lonoke, AR, September 30, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 30, 1981
- Place: Lonoke, AR · LONOKE, AR
- Location: 34.7905° N, 91.9074° W: Placed by OpenAirDocs: center of Lonoke, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.7905&lon=-91.9074&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 17, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123228
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81DPG70
- Page: https://openairdocs.org/ntsb/FTW81DPG70

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2501  81/9/30  NR.LONOKE,AR          AIR TRACTOR AT-301  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE UNK/NR,
        TIME - 1145                    N8593S              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   4300 TOTAL HOURS, 1177 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SCOTT,AR                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: RETURN TO STRIP
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2400                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  250                 SWATH RUN-HOW FLOWN - UPWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- LNDD IN BEAN FLD.
```

## Aircraft

- Registration: [N8593S](https://openairdocs.org/deregistered/N8593S-2016-10-25), registration cancelled 2016-10-25, S/N 301-0157, built 1978 (OpenAirDocs)
- Reported make and model: AIR TRACTOR AT-301
- Registry model: [Air Tractor AT-301](https://openairdocs.org/model/air-tractor-at-301) (registry code 0390103) (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 19810930064589A](https://openairdocs.org/incident/19810930064589A), Sep 30, 1981: Airtrc AT301, Lonoke, AR, Substantial damage. Lost portion of propeller blade during an ag fflight. Nosed over on forced landing. Nick in prop blade at separation

## Other investigations on N8593S (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 CEN14LA287](https://openairdocs.org/ntsb/CEN14LA287), Jun 12, 2014: Air Tractor AT 301 (N8593S), Pearsall, TX, substantial damage. Probable cause: The failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other…

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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