# NTSB CHI72FLQ08: Bell 47G4A, N4088G, Shelbyville, KY, September 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 10, 1971
- Place: Shelbyville, KY · SHELBYVILLE, KY
- Location: 38.2063° N, 85.2336° W: Placed by OpenAirDocs: center of Shelbyville, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2063&lon=-85.2336&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 10, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163434
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FLQ08
- Page: https://openairdocs.org/ntsb/CHI72FLQ08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3249  71/9/10    SHELBYVILLE,KY      BELL 47G4A          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 6085
        TIME - 1850                    N4088G              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 535 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SHELBYVILLE,KY              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO TREAT CROP
           HARD LANDING                                             LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  800                 SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- BOLT TO NR 6 CON ROD FAILED,ALT TOO LOW FOR PRPR RCVRY,CRASH LNDD IN CORN FLD.
```

## Aircraft

- Registration: [N4088G](https://openairdocs.org/deregistered/N4088G-1971-09-16), registration cancelled 1971-09-16, S/N 7638 (OpenAirDocs)
- Reported make and model: BELL 47G4A
- Registry model: [Bell 47G-4A](https://openairdocs.org/model/bell-47g-4a) (registry code 1181031) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4088G (1)

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 CHI71FLQ29](https://openairdocs.org/ntsb/CHI71FLQ29), Jun 19, 1971: Bell 47G4A (N4088G), Utica, KY, destroyed

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.