# Incident 19810312023159I: Enstrm F28C, Boston, MA, March 12, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 12, 1981, 10:00 local time
- Place: Boston, MA
- Airport: Nashua Steet
- Damage: Minor damage
- Phase of flight: Hovering
- Operating rules: General operating rules (Part 91)
- Location: 42.3584° N, 71.0598° W: Placed by OpenAirDocs: center of Boston, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3584&lon=-71.0598&mi=10
- Aircraft: N5691Y, a cancelled registration (https://openairdocs.org/deregistered/N5691Y-2022-04-02) (OpenAirDocs)
- Registry model: Enstrom F-28C (registry code 3300407, https://openairdocs.org/model/enstrom-f-28c) (OpenAirDocs)
- Registry engine: Lycoming HIO-360 series (registry code 41524, https://openairdocs.org/engine/lycoming-hio-360-series) (OpenAirDocs)
- Reported make and model: ENSTRM F28C
- Fatal injuries: 0
- Pilot flight hours: 3,500 total, 15 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810312023159I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ROTOR RPM DECAYED AS PILOT MANEUVERED FOR LANDING ON HELIPAD. MAIN ROTOR BLADE STRUCK A SIGN ALONG ACCESS ROAD.

## Other reports on N5691Y (6)

Matched to the same aircraft by N-number and date.

- [Accident 20181007019559A](https://openairdocs.org/incident/20181007019559A), Oct 7, 2018: Enstrom F-28C (N5691Y), Bridgeville, DE, Substantial damage. Narrative: Facts or sequence of events that are relevant to the accident. From a position on the ground, the pilot increased throttle while increasing…
- [Incident 19961104041179I](https://openairdocs.org/incident/19961104041179I), Nov 4, 1996: Enstrm F28C (N5691Y), Allentown, PA. Narrative: while enroute to the marlboro airport, engine began running rough. Pilot executed emergency landing in a corn field located in the assunpink…
- [Incident 19891103060359I](https://openairdocs.org/incident/19891103060359I), Nov 3, 1989: Enstrm F28C (N5691Y), Jamaica, NY. Encountered wake turbulence or wind shear from building. Precautionary landing on beach. Continued flight.
- [Accident 19851017056329A](https://openairdocs.org/incident/19851017056329A), Oct 17, 1985: Enstrm F28C (N5691Y), Linden, NJ, Substantial damage. Student decided to practice hovering autorotations. Skid dug in and dynamic rollover resulted.
- [Incident 19840119009469I](https://openairdocs.org/incident/19840119009469I), Jan 19, 1984: Enstrm F28C (N5691Y), Brooklyn, NY. Engine vibration. Elected to land in an open field. No 3 cylinder connecting rod cap bolts failed.
- [Incident 19800905069239I](https://openairdocs.org/incident/19800905069239I), Sep 5, 1980: Enstrm F28C (N5691Y), Hingham, MA. Helicopter made precautionary landing due to unusual vibration. Upper jack strut had failed.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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