# NTSB CHI76FEA35: Bell 47G-2, N9238Z, Monticello, IN, May 22, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 22, 1976
- Place: Monticello, IN · MONTICELLO, IN
- Location: 40.7452° N, 86.7673° W: Placed by OpenAirDocs: center of Monticello, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7452&lon=-86.7673&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 31, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154409
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76FEA35
- Page: https://openairdocs.org/ntsb/CHI76FEA35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1766  76/5/22    MONTICELLO,IN       BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 734
        TIME - 0915                    N9238Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 154 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MONTICELLO,IN               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           COLLIDED WITH: TREES                                     IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   65                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          GLOVES - 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 -  675                 SWATH RUN-HOW FLOWN - DOWNWIND
          PROCEDURE TURNAROUND - FIRST 1/3 TURN
```

## Aircraft

- Registration: [N9238Z](https://openairdocs.org/deregistered/N9238Z-2018-03-07), registration cancelled 2018-03-07, S/N TWH-5, built 1976 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell-Transworld Helicopter Cor 47G-2](https://openairdocs.org/model/bell-transworld-helicopter-cor-47g-2) (registry code 1181071) (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

## 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 19760522022619A](https://openairdocs.org/incident/19760522022619A), May 22, 1976: Bell 47G2, Monticello, IN, Substantial damage

## Other investigations on N9238Z (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 FTW93LA178](https://openairdocs.org/ntsb/FTW93LA178), Jun 5, 1993: Bell-Transworld 47G-2 (N9238Z), Wynne, AR, substantial damage. Probable cause: PARTIAL POWER LOSS DUE TO THE FAILURE OF ONE MAGNETO. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.
- [NTSB FTW92DPG15](https://openairdocs.org/ntsb/FTW92DPG15), Aug 19, 1992: Bell-Transworld 47G-2 (N9238Z), Birdeye, AR, substantial damage. Probable cause: FUEL CONTAMINATION. A FACTOR WAS THE HIGH DENSITY ALTITUDE.

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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