# N5521X: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: October 18, 2021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5521X
- Page: https://openairdocs.org/aircraft/N5521X

## Aircraft that carried N5521X

- [Cancelled 2021-10-18](https://openairdocs.org/deregistered/N5521X-2021-10-18): Aero Commander S2R, S/N 1721R, built 1973. Sale reported, canceled. Owner: [Argyle, MN](https://openairdocs.org/faa-place/MN/Argyle)

## NTSB investigations on N5521X (3)

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 CEN18LA332](https://openairdocs.org/ntsb/CEN18LA332), Aug 15, 2018: Aero Commander S2R (N5521X), Westbrook, MN, substantial damage. Probable cause: A runway excursion during takeoff for reasons that could not be determined based on the available evidence.
- [NTSB ANC75AA004](https://openairdocs.org/ntsb/ANC75AA004), Jul 9, 1974: Aero Comdr 600S2R (N5521X), Umiat, AK, substantial damage
- [NTSB FTW74DPG30](https://openairdocs.org/ntsb/FTW74DPG30), Oct 8, 1973: Aero Comdr S-2R (N5521X), Fisher, AR, destroyed

## FAA accident and incident reports on N5521X (5)

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 20180815011589A](https://openairdocs.org/incident/20180815011589A), Aug 15, 2018: Aero Commander S2R (N5521X), Westbrooke, MN, Substantial damage. Pilot aborted takeoff due to perceived loss of power. Aircraft then went off end of runway at high speed, and flipped over after travelling 600 feet through…
- [Incident 19970801026419I](https://openairdocs.org/incident/19970801026419I), Aug 1, 1997: Ayres S2R (N5521X), Interlaken, NY, Minor damage. Narrative: on Friday, August 1, 1997, at 0630 local time, an aero commander thrush S2R, N5521X, owned by savannah agri-air, inc. savannah, NY departed ovid, NY…
- [Incident 19960809027959I](https://openairdocs.org/incident/19960809027959I), Aug 9, 1996: Ayres S2RR1340REST (N5521X), Savannah, NY. Narrative: top half of rudder separated from aircraft. Uneventful landing; no injuries. Found top rudder hinge was of "new" type triple hinge design and…
- [Accident 19740709033179A](https://openairdocs.org/incident/19740709033179A), Jul 9, 1974: Ayres S2R (N5521X), Umiat, AK, Substantial damage. Heavily loaded.l gr strut failed at old weld.
- [Accident 19731008034109A](https://openairdocs.org/incident/19731008034109A), Oct 8, 1973: Ayres S2R (N5521X), Fisher, AR, Substantial damage. Plt last pass made l turn too close to rice l wing tip hit rice acft cartwheeled.

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