# N11997: 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: March 4, 2026
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11997
- Page: https://openairdocs.org/aircraft/N11997

## Aircraft that carried N11997

- [Cancelled 2026-03-04](https://openairdocs.org/deregistered/N11997-2026-03-04): Aitchison Gilbert W HAWKTWOBIRD, S/N A-01. Owner: [Aitchison Gilbert W](https://openairdocs.org/faa-owner/AITCHISON%20GILBERT%20W), [Harpursville, NY](https://openairdocs.org/faa-place/NY/Harpursville)
- [Cancelled 2007-03-07](https://openairdocs.org/deregistered/N11997-2007-03-07): Cessna 172S, S/N 172S10392, built 2006. Exported to Romania. Owner: [American King Air Ferries Inc](https://openairdocs.org/faa-owner/AMERICAN%20KING%20AIR%20FERRIES%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## NTSB investigations on N11997 (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 OAK66F0267](https://openairdocs.org/ntsb/OAK66F0267), Apr 7, 1966: Raven S-50 (N11997), Livermore, CA, minor damage

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