# NTSB NYC78FNA10: Enstrom F-28A, N240Q, Westwood, MA, February 9, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 9, 1978
- Place: Westwood, MA · WESTWOOD, MA
- Location: 42.2140° N, 71.2245° W: Placed by OpenAirDocs: center of Westwood, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2140&lon=-71.2245&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 12, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143799
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78FNA10
- Page: https://openairdocs.org/ntsb/NYC78FNA10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0368   78/2/9    WESTWOOD,MA         ENSTROM F-28A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0855                    N240Q               PX-  0  0  1  AIR TAXI-PASSG            AGE 32, 3940 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            800 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FOXBORO,MA                  HANSFIELD,MA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR PULLEYS,BELTS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- MAIN ROTOR DRIVE BELT FAILED.NO FURTHER DAMAGE DURING AUTOROTATION.
```

## Aircraft

- Registration: N240Q (not matched to a registry record)
- Reported make and model: ENSTROM F-28A
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19780209002869A](https://openairdocs.org/incident/19780209002869A), Feb 9, 1978: Enstrm F28A, Westwood, MA, Substantial damage. Main rotor drive belt failed. No further damage during autorotatio

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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