# NTSB CHI71FBJ05: Bell 47G, N73872, Edmore, MI, July 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 13, 1970
- Place: Edmore, MI · EDMORE, MI
- Location: 43.4076° N, 85.0367° W: Placed by OpenAirDocs: center of Edmore, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4076&lon=-85.0367&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 10, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 115720
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FBJ05
- Page: https://openairdocs.org/ntsb/CHI71FBJ05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0863  70/7/13    EDMORE,MICH         BELL 47G            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2202
        TIME - 1215                    N73872              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 34 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GREENVILLE,MICH             EDMORE,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   40                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - POTATOES                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  900
        REMARKS- ONE BROKEN TOP COMPRESSION RING IN BOTH NR 5 AND NR 6 CYLINDERS.MARK 3 CONVERSION ACFT.
```

## Aircraft

- Registration: [N73872](https://openairdocs.org/deregistered/N73872-2013-07-08), registration cancelled 2013-07-08, S/N CCI-263, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6VS-335 series](https://openairdocs.org/engine/franklin-6vs-335-series) (registry code 27040, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N73872 (5)

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 LAX79DUM13](https://openairdocs.org/ntsb/LAX79DUM13), Apr 24, 1979: Bell 47G-2A (N73872), Fallbrook, CA, substantial damage
- [NTSB LAX77FUM12](https://openairdocs.org/ntsb/LAX77FUM12), Jan 13, 1977: EL Tomcat 47G (N73872), San Diego, CA, substantial damage
- [NTSB CHI74FEM62](https://openairdocs.org/ntsb/CHI74FEM62), May 29, 1974: EL Tomcat I (N73872), Belding, MI, substantial damage
- [NTSB CHI69F0092](https://openairdocs.org/ntsb/CHI69F0092), Jul 14, 1968: Bell 47G (N73872), Lakeview, MI, substantial damage
- [NTSB NYC66A0070](https://openairdocs.org/ntsb/NYC66A0070), Jan 7, 1966: Bell Cntntl (N73872), Philadelphia, PA, 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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