# NTSB CHI71FBJ04: Bell 47GMK3, N953B, Stanton, MI, July 10, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 10, 1970
- Place: Stanton, MI · STANTON, MI
- Location: 43.2932° N, 85.0796° W: Placed by OpenAirDocs: center of Stanton, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2932&lon=-85.0796&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 December 14, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 115753
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FBJ04
- Page: https://openairdocs.org/ntsb/CHI71FBJ04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0872  70/7/10  NR.STANTON,MICH       BELL 47GMK3         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1300                    N953B               PX-  0  0  0  AERIAL APPLICATION        AGE 28, 1325 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            121 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         STANTON,MICH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - HIGH DENSITY ALTITUDE
           POWERPLANT - MISCELLANEOUS: OTHER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      74
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          300                                                       7
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1279                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - POTATOES                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  800
        REMARKS- SHOP RAG WENT THRU ENG FAN, LODGED ON OIL COOLER.ACFT NEAR MAX GROSS WT FOR DENS ALT,2050 FT.
```

## Aircraft

- Registration: [N953B](https://openairdocs.org/deregistered/N953B-1998-03-09), registration cancelled 1998-03-09, S/N 713 (OpenAirDocs)
- Reported make and model: BELL 47GMK3
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N953B (3)

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 CHI70D0011](https://openairdocs.org/ntsb/CHI70D0011), Jun 5, 1969: Bell 47G (N953B), Greenville, MI, substantial damage
- [NTSB CHI67A0128](https://openairdocs.org/ntsb/CHI67A0128), Jun 3, 1967: Bell 47G (N953B), Dearborn, MI, destroyed, 1 fatal
- [NTSB UNK64X1619](https://openairdocs.org/ntsb/UNK64X1619), May 4, 1964: Bell 47G (N953B), Tannersville, 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.

---
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.