# NTSB LAX81DVA02: Air Tractor AT-301, N4341S, San Joaquin, CA, October 5, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 5, 1981
- Place: San Joaquin, CA · SAN JOAQUIN, CA
- Location: 36.6056° N, 120.1898° W: Placed by OpenAirDocs: center of San Joaquin, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6056&lon=-120.1898&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 10, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81DVA02
- Page: https://openairdocs.org/ntsb/LAX81DVA02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2339   81/10/5   SAN JOAQUIN,CA      AIR TRACTOR AT-301  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 6000
        TIME - 1339                    N4341S              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2600 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JOAQUIN,CA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       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 USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  160                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- R WING STRUCK CEMENT CULVERT WHILE MOVING RGT UNDER PWR LN TO ANOTHER OBSTN.
```

## Aircraft

- Registration: [N4341S](https://openairdocs.org/deregistered/N4341S-1988-11-23), registration cancelled 1988-11-23, S/N 3010021 (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)
- 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 19811005065299A](https://openairdocs.org/incident/19811005065299A), Oct 5, 1981: Airtrc AT301, San Joaquin, CA, Substantial damage. Aircraft wing struck culvert when pilot attempted to fly beneath wires during spraying operation.

## Other investigations on N4341S (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 LAX81DVA53](https://openairdocs.org/ntsb/LAX81DVA53), Jul 15, 1981: Air Tractor AT-301 (N4341S), San Joaquin, CA, 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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