# NTSB CHI70F0157: Bell 47G-5, N8558F, Dekalb, IL, June 21, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 21, 1969
- Place: Dekalb, IL · DEKALB, IL
- Location: 41.9282° N, 88.7476° W: Placed by OpenAirDocs: center of DeKalb, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9282&lon=-88.7476&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 23, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 171696
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70F0157
- Page: https://openairdocs.org/ntsb/CHI70F0157

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2785  69/6/21  NR.DEKALB,ILL         BELL 47G-5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 2406
        TIME - 0935                    N8558F              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 132 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DEKALB
        DEPARTURE POINT             INTENDED DESTINATION
         DEKALB,ILL                  DEKALB,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        EMERGENCY CIRCUMSTANCES - DIRECTIONAL CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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 -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  900                 SWATH RUN-HOW FLOWN - UPWIND
        REMARKS- PLT REPORTED UNCTLABLE R TURN AND ROLL TO NEAR VERTICAL BANK.WRECKAGE MOVED PRIOR TO INVESTIGATION
```

## Aircraft

- Registration: N8558F (not matched to a registry record)
- Reported make and model: BELL 47G-5
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Dekalb

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.