# NTSB FTW75FRG14: Aero Comdr 600S2R, N4149X, Mathis, TX, August 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 12, 1974
- Place: Mathis, TX · MATHIS, TX
- Location: 28.0909° N, 97.8170° W: Placed by OpenAirDocs: center of Mathis, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.0909&lon=-97.8170&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 4, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134544
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75FRG14
- Page: https://openairdocs.org/ntsb/FTW75FRG14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2167  74/8/12  NR.MATHIS,TEX         AERO COMDR 600S2R   CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 7031
        TIME - 1545                    N4149X              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 690 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - VAHLSING
        DEPARTURE POINT             INTENDED DESTINATION
         MATHIS,TEX                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: RETURN TO STRIP
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - DISREGARD OF GOOD OPERATING PRACTICE
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 6000                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - OTHER                                     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 -  95                  SWATH RUN-HOW FLOWN - CROSSWIND
         FIRE AFTER IMPACT
        REMARKS- PLT CONT FLT AFTER PART PWR LOSS.MAG MOUNTING BOLT CAME LOOSE.ENG QUIT,HAD TO LND IN MESQUITE.
```

## Aircraft

- Registration: [N4149X](https://openairdocs.org/deregistered/N4149X-1995-05-12), registration cancelled 1995-05-12, S/N 1927R (OpenAirDocs)
- Reported make and model: AERO COMDR 600S2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Vahlsing

## 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 19740812025359A](https://openairdocs.org/incident/19740812025359A), Aug 12, 1974: Amtr 0145001, Mathis, TX, Substantial damage. Plt cont flt after part pwr loss. Mag mounting bolt came loose. Eng quit,had to lnd in mesquite.

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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