# NTSB FTW74FRG04: Snow S2A, N3699F, Harlingen, TX, July 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 21, 1973
- Place: Harlingen, TX · HARLINGEN, TX
- Location: 26.1906° N, 97.6961° W: Placed by OpenAirDocs: center of Harlingen, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=26.1906&lon=-97.6961&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189530
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74FRG04
- Page: https://openairdocs.org/ntsb/FTW74FRG04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2003  73/7/21    HARLINGEN,TEX       SNOW S2A            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 40, 11500
        TIME - 1500                    N3699F              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 600 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PRIMERA
        DEPARTURE POINT             INTENDED DESTINATION
          HARLINGEN,TEX               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: STARTING SWATH RUN
           COLLIDED WITH: CROP                                      IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: SPRAY,DUSTING EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  FUMES IN CABIN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  49                  SWATH RUN-HOW FLOWN - CROSSWIND
         FIRE AFTER IMPACT
        REMARKS- CHEM HOSE ROUTED THRU COCKPIT RUPTURED SPRAYNG TOXIC CHEM IN PLTS FACE.
```

## Aircraft

- Registration: [N3699F](https://openairdocs.org/deregistered/N3699F-1973-10-01), registration cancelled 1973-10-01, S/N 1014, built 1959 (OpenAirDocs)
- Reported make and model: SNOW S2A
- Registry model: [Snow S2A](https://openairdocs.org/model/snow-s2a) (registry code 8380202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Primera

## 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 19730721022619A](https://openairdocs.org/incident/19730721022619A), Jul 21, 1973: Ayres S2B, Harlingen, TX, Destroyed. Chem hose routed thru cockpit ruptured sprayng toxic chem in plts face.

## Other investigations on N3699F (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 MKC67F0110](https://openairdocs.org/ntsb/MKC67F0110), Jul 23, 1966: Snow S2A (N3699F), Elwood, NE, 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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