# NTSB LAX81DVA63: Ayres S2R, N40110, Huron, CA, September 17, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 17, 1981
- Place: Huron, CA · HURON, CA
- Location: 36.2044° N, 120.0951° W: Placed by OpenAirDocs: center of Huron, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.2044&lon=-120.0951&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 28, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123258
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81DVA63
- Page: https://openairdocs.org/ntsb/LAX81DVA63

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2377  81/9/17  NR.HURON,CA           AYRES S2R           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 56, 19000
        TIME - 0655                    N40110              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 4000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         HURON,CA                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - COTTON                                    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
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  600
          SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N40110](https://openairdocs.org/aircraft/N40110), registered now, S/N 6022, built 1979 (OpenAirDocs)
- Reported make and model: AYRES S2R
- Registry model: [Ayres S2R-T34](https://openairdocs.org/model/ayres-s2r-t34) (registry code 0970106) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- 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 19810917060029A](https://openairdocs.org/incident/19810917060029A), Sep 17, 1981: Ayers S2RT34, Huron, CA, Substantial damage. Aircraft hit pole and caused substantial damage during spraying operation. No certificate operation.

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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