# N3644: 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: August 24, 1971
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3644
- Page: https://openairdocs.org/aircraft/N3644

## Aircraft that carried N3644

- [Cancelled 1971-08-24](https://openairdocs.org/deregistered/N3644-1971-08-24): Schleicher ASW-15, S/N 15079, built 1970. Owner: [Abels Cale L](https://openairdocs.org/faa-owner/ABELS%20CALE%20L), [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)

## NTSB investigations on N3644 (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 DEN71AD044](https://openairdocs.org/ntsb/DEN71AD044), Jun 5, 1971: Schleicher AS-W15 (N3644), Boulder, CO, destroyed, 1 fatal

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