# NTSB NYC72FHM56: Bell 47G-5, N4101G, Freehold, NJ, June 5, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 5, 1972
- Place: Freehold, NJ · FREEHOLD, NJ
- Location: 40.2602° N, 74.2759° W: Placed by OpenAirDocs: center of Freehold, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2602&lon=-74.2759&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166962
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC72FHM56
- Page: https://openairdocs.org/ntsb/NYC72FHM56

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2008   72/6/5    FREEHOLD,NJ         BELL 47G-5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 4200
        TIME - 1000                    N4101G              PX-  0  0  1  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TURKEY SWAMP PARK,NJ        LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SURVEY FIELD/AREA
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PUSH ROD BENT,NR 1 CYL EXHAUST VALVE STUCK. HIT TREES LDG ON ROAD. SURVEYING FOREST.
```

## 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 47G-5
- 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

## 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 CHI74FEG08](https://openairdocs.org/ntsb/CHI74FEG08), Sep 24, 1973: Bell 47-G5 (N4101G), Washingtn Ch, OH, 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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