# NTSB NYC81FHJ17: Bell 47G-2, N6733D, Farmingdale, NY, September 13, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 13, 1981
- Place: Farmingdale, NY · FARMINGDALE, NY
- Location: 40.7328° N, 73.4468° W: Placed by OpenAirDocs: center of Farmingdale, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7328&lon=-73.4468&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 9, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123433
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC81FHJ17
- Page: https://openairdocs.org/ntsb/NYC81FHJ17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2895  81/9/13    FARMINGDALE,NY      BELL 47G-2          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N6733D              PX-  0  0  0  DUAL                      AGE 35, 1615 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            520 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - REPUBLIC
        DEPARTURE POINT             INTENDED DESTINATION
          FARMINGDALE,NY              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- DSCNDG FM HOVER WITH SLGT OSCILLATION TO RGT,MAIN ROTOR BLADES STRUCK GND.
```

## Aircraft

- Registration: [N6733D](https://openairdocs.org/deregistered/N6733D-2012-10-11), registration cancelled 2012-10-11, S/N 2234, built 1958 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (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: Substantial damage
- Airport: Republic

## 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 19810913060219A](https://openairdocs.org/incident/19810913060219A), Sep 13, 1981: Bell 47G2, Farmingdale, NY, Substantial damage. Main rotor blade struck ground during practice hover.

## Other investigations on N6733D (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 NYC77FHJ13](https://openairdocs.org/ntsb/NYC77FHJ13), Mar 15, 1977: Bell 47G-2 (N6733D), Farmingdale, NY, 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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