# NTSB FTW80DQG34: Aero Comdr S-2R, N4190X, Friona, TX, August 1, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1980
- Place: Friona, TX · FRIONA, TX
- Location: 34.6394° N, 102.7231° W: Placed by OpenAirDocs: center of Friona, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.6394&lon=-102.7231&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 3, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130017
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW80DQG34
- Page: https://openairdocs.org/ntsb/FTW80DQG34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1622   80/8/1    FRIONA,TX           AERO COMDR S-2R     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 60, 42000
        TIME - 0900                    N4190X              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 875 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FRIONA,TX                   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: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 8000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          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 -  4000                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- VALVE PUSH ROD SEPARATED.
```

## Aircraft

- Registration: [N4190X](https://openairdocs.org/deregistered/N4190X-2013-07-11), registration cancelled 2013-07-11, S/N 1955R, built 1974 (OpenAirDocs)
- Reported make and model: AERO COMDR S-2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (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: 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 19800801033389A](https://openairdocs.org/incident/19800801033389A), Aug 1, 1980: Ayres S2R, Friona, TX, Substantial damage. Engine backfired, lost power. Crash landed in spray field. Found broken intake valve push rod.

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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