# NTSB CHI74FEG08: Bell 47-G5, N4101G, Washingtn Ch, OH, September 24, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 24, 1973
- Place: Washingtn Ch, OH · WASHINGTN CH, OH
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 4, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187821
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74FEG08
- Page: https://openairdocs.org/ntsb/CHI74FEG08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4052  73/9/24  NR.WASHINGTN CH,OHIO  BELL 47-G5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 940
        TIME - 0915                    N4101G              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FAYETTE CO
        DEPARTURE POINT             INTENDED DESTINATION
         WASHINGTN CH,OHIO            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           HARD LANDING                                             LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: VALVES
           MISCELLANEOUS ACTS,CONDITIONS - STUCK
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  750                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      ELEVATION-AREA BEING TREATED-FEET -  50
        REMARKS- POWER LOSS FROM STUCK EXHUAST VALVE.MAIN ROTOR STRUCK TAIL BOOM DURING FORCED LANDING.
```

## Aircraft

- Registration: [N4101G](https://openairdocs.org/deregistered/N4101G-2017-04-13), registration cancelled 2017-04-13, S/N 7912, built 1968 (OpenAirDocs)
- Reported make and model: BELL 47-G5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (OpenAirDocs)
- Registry engine: [Lycoming 0-435B](https://openairdocs.org/engine/lycoming-0-435b) (registry code 41519, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fayette Co

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730924041409A](https://openairdocs.org/incident/19730924041409A), Sep 24, 1973: Bell 47G5, Washingtn Ch, OH, Substantial damage. Power loss from stuck exhuast valve. Main rotor struck tail boom during forced landing.

## Other investigations on N4101G (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 NYC72FHM56](https://openairdocs.org/ntsb/NYC72FHM56), Jun 5, 1972: Bell 47G-5 (N4101G), Freehold, NJ, 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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