# NTSB MKC71DCD13: Bell 47G-5, N8140J, Conrad, IA, July 21, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 21, 1970
- Place: Conrad, IA · CONRAD, IA
- Location: 42.2240° N, 92.8723° W: Placed by OpenAirDocs: center of Conrad, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2240&lon=-92.8723&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 27, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 107672
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71DCD13
- Page: https://openairdocs.org/ntsb/MKC71DCD13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4212  70/7/21    CONRAD,IOWA         BELL 47G-5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1015                    N8140J              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 36, 1328 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            35 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CONRAD,IOWA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- CORN POLLINATION. HIT GUY WIRE EXTENDING FROM WINDMILL TO FENCE CORNER POST. SAW IT TOO LATE.
```

## Aircraft

- Registration: [N8140J](https://openairdocs.org/aircraft/N8140J), registered now, S/N 25008, built 1970 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N8140J (2)

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 CHI07CA212](https://openairdocs.org/ntsb/CHI07CA212), Jul 10, 2007: Bell 47G-5 (N8140J), Jesup, IA, substantial damage. Probable cause: The pilot's inability to maintain control of the helicopter when it unexpectedly encountered a whirlwind shortly after takeoff.
- [NTSB CHI90LA205](https://openairdocs.org/ntsb/CHI90LA205), Jul 30, 1990: Bell 47G-5 (N8140J), Hudson, IA, substantial damage. Probable cause: IMPROPER TOUCHDOWN PERFORMED BY THE PILOT IN COMMAND.

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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