# NTSB NYC72DFJ22: Bensen B8M, N4773G, Forestville, NY, October 30, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 30, 1971
- Place: Forestville, NY · FORESTVILLE, NY
- Location: 42.4691° N, 79.1755° W: Placed by OpenAirDocs: center of Forestville, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4691&lon=-79.1755&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 16, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163491
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC72DFJ22
- Page: https://openairdocs.org/ntsb/NYC72DFJ22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2169  71/10/30   FORESTVILLE,NY      BENSEN B8M          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 33, 35 TOTAL
        TIME - 1645                    N4773G              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FORESTVILLE,NY              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUNNING
           COLLIDED WITH: OBJECT                                    LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG SLUGGISH ON TKOF,RETURNED TO FLD ADJ TO RWY.M/R BLADE HIT BUSH,BROKE OFF,ACFT ROLLED OVER.
```

## Aircraft

- Registration: [N4773G](https://openairdocs.org/deregistered/N4773G-1973-06-25), registration cancelled 1973-06-25, S/N GE-1 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4773G (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 NYC67A0165](https://openairdocs.org/ntsb/NYC67A0165), May 21, 1967: Bensen B8M (N4773G), Silver Creek, 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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