# N5603Y: 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: May 6, 2019
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5603Y
- Page: https://openairdocs.org/aircraft/N5603Y

## Aircraft that carried N5603Y

- [Cancelled 2019-05-06](https://openairdocs.org/deregistered/N5603Y-2019-05-06): Piper PA-23-250, S/N 27-2711, built 1964. Registration expired, pending cancellation. Owner: [Las Lomas Construction Se](https://openairdocs.org/faa-owner/LAS%20LOMAS%20CONSTRUCTION%20SE), [San German, PR](https://openairdocs.org/faa-place/PR/San%20German)

## NTSB investigations on N5603Y (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 NYC71FHA36](https://openairdocs.org/ntsb/NYC71FHA36), Mar 9, 1971: Piper PA-23 (N5603Y), Montgomeryvile, PA, substantial damage

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