# NTSB LAX81FVG58: Rockwell S-2R, N4989X, Clarksburg, CA, August 5, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 5, 1981
- Place: Clarksburg, CA · CLARKSBURG, CA
- Location: 38.4193° N, 121.5416° W: Placed by OpenAirDocs: center of Clarksburg, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.4193&lon=-121.5416&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 3, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123926
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81FVG58
- Page: https://openairdocs.org/ntsb/LAX81FVG58

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2344   81/8/5  NR.CLARKSBURG,CA      ROCKWELL S-2R       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 5000
        TIME - 0700                    N4989X              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED         LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO TREAT CROP
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    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 -  15
         FIRE AFTER IMPACT
        REMARKS- DUSTING SUGAR BEETS.
```

## Aircraft

- Registration: [N4989X](https://openairdocs.org/deregistered/N4989X-2014-10-14), registration cancelled 2014-10-14, S/N 5034R, built 1975 (OpenAirDocs)
- Reported make and model: ROCKWELL S-2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Registry engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810805047629A](https://openairdocs.org/incident/19810805047629A), Aug 5, 1981: Ayres S2R, Clarksburg, CA, Destroyed. Engine failed during spraying operation. Emergency landing was made. Aircraft flipped and burned.

## Other investigations on N4989X (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 FTW80DRG46](https://openairdocs.org/ntsb/FTW80DRG46), Jun 11, 1980: Aero Comdr S2R (N4989X), Beeville, 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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