# NTSB FTW71FRA65: Bell 47D1, N9713C, Alvin, TX, June 14, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 14, 1971
- 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 February 15, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161908
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71FRA65
- Page: https://openairdocs.org/ntsb/FTW71FRA65

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2129  71/6/14    ALVIN,TEX           BELL 47D1           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1547
        TIME - 0700                    N9713C              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALVIN,TEX                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  300                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  50                                SWAMPY/WATER
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- PLT MADE SPRAY RUN INTO THE SUN,LOST SIGHT OF FLAGMAN,SPRAY BOOM HIT RICE,PLT UN TO RECVR.
```

## Aircraft

- Registration: [N9713C](https://openairdocs.org/deregistered/N9713C-2009-09-18), registration cancelled 2009-09-18, S/N CH-2004, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6A4200 series](https://openairdocs.org/engine/franklin-6a4200-series) (registry code 27027, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9713C (3)

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 FTW74DRA03](https://openairdocs.org/ntsb/FTW74DRA03), Jul 13, 1973: Bell 47D1 (N9713C), Sealey, TX, substantial damage
- [NTSB MKC66A0006](https://openairdocs.org/ntsb/MKC66A0006), Jul 24, 1965: Bell 47D-1 (N9713C), Wichita, KS, destroyed
- [NTSB UNK64X3311](https://openairdocs.org/ntsb/UNK64X3311), Aug 9, 1964: Bell 47D1 (N9713C), Rose Hill, KS, 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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