# NTSB LAX82DVA04: Aero Comdr S2R, N8568, Bakersfield, CA, October 4, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 4, 1981
- Place: Bakersfield, CA · BAKERSFIELD, CA
- Location: 35.3733° N, 119.0187° W: Placed by OpenAirDocs: center of Bakersfield, CA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3733&lon=-119.0187&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 29, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123255
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DVA04
- Page: https://openairdocs.org/ntsb/LAX82DVA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2365   81/10/4 NR.BAKERSFIELD,CA     AERO COMDR S2R      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 5540
        TIME - 0730                    N8568               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1700 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BAKERSFIELD,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        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 - DEFOLIATION (LIQUID)
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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 -  350
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- NO 1 CYL FAILED AT END OF THREADED AREA,CYL BARREL TOP.
```

## Aircraft

- Registration: [N8568](https://openairdocs.org/deregistered/N8568-2013-11-04), registration cancelled 2013-11-04, S/N 1606R, built 1971 (OpenAirDocs)
- Reported make and model: AERO COMDR S2R
- Registry model: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022) (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 19811004065239A](https://openairdocs.org/incident/19811004065239A), Oct 4, 1981: Ayres S2R, Bakersfield, CA, Substantial damage. Lost engine cylinder during spray operation. Collapsed gear landing cross furrows.

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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