# N81DK: 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: June 20, 2026
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81DK
- Page: https://openairdocs.org/aircraft/N81DK

## Aircraft that carried N81DK

- [Cancelled 2026-06-20](https://openairdocs.org/deregistered/N81DK-2026-06-20): Koons Donald H CYGNET, S/N 152, built 1981. Sale reported, canceled. Owner: [Keene, NH](https://openairdocs.org/faa-place/NH/Keene)

## NTSB investigations on N81DK (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 GAA16CA274](https://openairdocs.org/ntsb/GAA16CA274), May 31, 2016: Koons Donald H Cygnet (N81DK), Zanesville, OH, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, and a nose over.

## FAA accident and incident reports on N81DK (1)

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 20160531008479A](https://openairdocs.org/incident/20160531008479A), May 31, 2016: Cygnet SF2A (N81DK), Zanesville, OH, Substantial damage. PIC lost control on landing roll-out due to a gust of wind. The aircraft left main wheel departed the pavement on the left side of the runway onto the grass.…

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