# NTSB MKC70DCA14: Bell 47D1, N8117, Perry, MO, June 7, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 7, 1970
- Place: Perry, MO · PERRY, MO
- Location: 39.4336° N, 91.6622° W: Placed by OpenAirDocs: center of Perry, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4336&lon=-91.6622&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 23, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 124072
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70DCA14
- Page: https://openairdocs.org/ntsb/MKC70DCA14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2408   70/6/7  NR.PERRY,MO           BELL 47D1           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1478
        TIME - 1340                    N8117               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 62 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GOUGH
        DEPARTURE POINT             INTENDED DESTINATION
          DUSTER STRIP,MO             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   60                       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 - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  700                 SWATH RUN-HOW FLOWN - DOWNWIND
        REMARKS- TANKS FOUND EMPTY POST-ACCIDENT.PLT DID NOT FIGURE FUEL CONSUMPTION.
```

## Aircraft

- Registration: [N8117](https://openairdocs.org/aircraft/N8117), registered now, S/N K732, built 1967 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (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: Destroyed
- Airport: Gough

## Other investigations on N8117 (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 FTW91LA091](https://openairdocs.org/ntsb/FTW91LA091), Jun 5, 1991: Bell 47D-1 (N8117), Peach Orchard, AR, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM RESULTING IN DETERIORATED HELICOPTER PERFORMANCE. A FACTOR WAS THE TAILWIND CONDITION.
- [NTSB MKC90LA144](https://openairdocs.org/ntsb/MKC90LA144), Jul 12, 1990: Bell 47D-1 (N8117), Fair Oaks, AR, substantial damage. Probable cause: TAIL ROTOR CABLE DISENGAGEMENT DUE TO INADEQUATE MAINTENANCE.

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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