# NTSB FTW79DRA20: Bell 47-G4, N1150W, Alvin, TX, April 24, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 24, 1979
- Place: Alvin, TX · ALVIN, TX
- Location: 29.4248° N, 95.2244° W: Placed by OpenAirDocs: center of Alvin, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4248&lon=-95.2244&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 11, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136622
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79DRA20
- Page: https://openairdocs.org/ntsb/FTW79DRA20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0798  79/4/24    ALVIN,TX            BELL 47-G4          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0710                    N1150W              PX-  0  0  0  AERIAL APPLICATION        AGE 28, 3460 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            705 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALVIN,TX                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FLAGMAN,LOADER                            IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND CREWMAN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  350                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - SIDES
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  50
          SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- FLAGGER STEPPED UP ON RICE LEVEE.
```

## Aircraft

- Registration: [N1150W](https://openairdocs.org/aircraft/N1150W), registered now, S/N 3327, built 1964 (OpenAirDocs)
- Reported make and model: BELL 47-G4
- Registry model: [Bell 47G-4](https://openairdocs.org/model/bell-47g-4) (registry code 1181030) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Minor 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 19790424008829A](https://openairdocs.org/incident/19790424008829A), Apr 24, 1979: Bell 47, Alvin, TX, Minor damage. During agricultural spraying,the pilot hit his flagman. Spray boom on aircraft hit flagman and broke his pelvis.

## Other investigations on N1150W (4)

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 FTW79FRA34](https://openairdocs.org/ntsb/FTW79FRA34), Jun 29, 1979: Bell 47G-4 (N1150W), Manvel, TX, substantial damage
- [NTSB NYC77FHA17](https://openairdocs.org/ntsb/NYC77FHA17), Apr 15, 1977: Bell 47G-4 (N1150W), Stroudsburg, PA, substantial damage
- [NTSB FTW76DPJ25](https://openairdocs.org/ntsb/FTW76DPJ25), Feb 25, 1976: Bell 47G-4 (N1150W), Billings, OK, destroyed
- [NTSB FTW69F0430](https://openairdocs.org/ntsb/FTW69F0430), Mar 18, 1969: Bell 47G-4 (N1150W), Camden, AR, 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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