# N5691Y: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: April 2, 2022
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5691Y
- Page: https://openairdocs.org/aircraft/N5691Y

## Aircraft that carried N5691Y

- [Cancelled 2022-04-02](https://openairdocs.org/deregistered/N5691Y-2022-04-02): Enstrom F-28C, S/N 479-2, built 1979. Registration expired, pending cancellation. Owner: [J&J Shop Heliair LLC](https://openairdocs.org/faa-owner/J%26J%20SHOP%20HELIAIR%20LLC), [Laurel, DE](https://openairdocs.org/faa-place/DE/Laurel)
- [Cancelled 1970-06-22](https://openairdocs.org/deregistered/N5691Y-1970-06-22): Piper PA-23-250, S/N 272810. Owner: [Webster Martin Inc](https://openairdocs.org/faa-owner/WEBSTER%20MARTIN%20INC)

## NTSB investigations on N5691Y (4)

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 ERA19TA005](https://openairdocs.org/ntsb/ERA19TA005), Oct 7, 2018: Enstrom F28 (N5691Y), Bridgeville, DE, substantial damage. Probable cause: The pilot's mismanagement of collective pitch control during takeoff from an area with numerous obstacles, which resulted in the helicopter entering a low rotor rpm state and a forced hard landing.
- [NTSB NYC86LA011](https://openairdocs.org/ntsb/NYC86LA011), Oct 17, 1985: Enstrom F-28C (N5691Y), Linden, NJ, substantial damage
- [NTSB NYC68F0328](https://openairdocs.org/ntsb/NYC68F0328-112040), Dec 18, 1967: Piper PA-23 (N5691Y), Winooski, VT, destroyed
- [NTSB NYC67F0218](https://openairdocs.org/ntsb/NYC67F0218), Jul 30, 1966: Piper PA-23 (N5691Y), Bohemia, NY, substantial damage

## FAA accident and incident reports on N5691Y (7)

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.

- [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 19810312023159I](https://openairdocs.org/incident/19810312023159I), Mar 12, 1981: Enstrm F28C (N5691Y), Boston, MA, Minor damage. Rotor RPM decayed as pilot maneuvered for landing on helipad. Main rotor blade struck a sign along access road.
- [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.

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