# N100MK: 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: August 8, 2016
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100MK
- Page: https://openairdocs.org/aircraft/N100MK

## Aircraft that carried N100MK

- [Cancelled 2016-08-08](https://openairdocs.org/deregistered/N100MK-2016-08-08): Keech Andrew C LW5, S/N 1, built 2000. Third renewal notice. Owner: [Eaa Aviation Foundation Inc](https://openairdocs.org/faa-owner/EAA%20AVIATION%20FOUNDATION%20INC), [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- [Cancelled 1997-03-06](https://openairdocs.org/deregistered/N100MK-1997-03-06): Learjet 25, S/N 019. Triennial form not returned. Owner: [Kelco Aircraft Co](https://openairdocs.org/faa-owner/KELCO%20AIRCRAFT%20CO), [Cleveland, OH](https://openairdocs.org/faa-place/OH/Cleveland)

## FAA accident and incident reports on N100MK (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 19781020043949A](https://openairdocs.org/incident/19781020043949A), Oct 20, 1978: Lear 25 (N100MK), Vickery, OH, Destroyed. Aircraft crashed during FAA conducted flight check. Investigation indicates malfunction of servo drive unit.

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