# NTSB CHI79FEM34: Bell 47G-2, N4734S, Hart, MI, August 16, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 16, 1979
- Place: Hart, MI · HART, MI
- Location: 43.6920° N, 86.3695° W: Placed by OpenAirDocs: center of Hart, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6920&lon=-86.3695&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 4, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135179
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79FEM34
- Page: https://openairdocs.org/ntsb/CHI79FEM34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1772  79/8/16  NR.HART,MI            BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 47, 5688
        TIME - 1200                    N4734S              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 649 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         HART,MI                      LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  300                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     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 -  910                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- COLLIDED W PWR LINE WHILE SPRAYING CUCUMBERS.
```

## Aircraft

- Registration: [N4734S](https://openairdocs.org/deregistered/N4734S-2012-12-11), registration cancelled 2012-12-11, S/N SA3, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial 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 19790816021519A](https://openairdocs.org/incident/19790816021519A), Aug 16, 1979: Bell 47G, Hart, MI, Substantial damage. Pilot hit a wire while conducting agricultural spraying operation.

## Other investigations on N4734S (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 CHI74DEM57](https://openairdocs.org/ntsb/CHI74DEM57), May 1, 1974: Bell 47G (N4734S), Hart, MI, substantial damage
- [NTSB MKC67A0034](https://openairdocs.org/ntsb/MKC67A0034), Nov 7, 1966: Bell 47G (N4734S), Hariton, IA, substantial damage
- [NTSB UNK64X2452](https://openairdocs.org/ntsb/UNK64X2452), Jun 23, 1964: Bell 47G (N4734S), Vivian, LA, substantial damage
- [NTSB UNK64X1983](https://openairdocs.org/ntsb/UNK64X1983), May 27, 1964: Bell 47G (N4734S), Pana, IL, 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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