# N3531B: 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 31, 1983
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3531B
- Page: https://openairdocs.org/aircraft/N3531B

## Aircraft that carried N3531B

- [Cancelled 1983-08-31](https://openairdocs.org/deregistered/N3531B-1983-08-31): Beech D18S, S/N A-997. Owner: [Knight Karl DBA Knight Aircraft](https://openairdocs.org/faa-owner/KNIGHT%20KARL%20DBA%20KNIGHT%20AIRCRAFT), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)

## NTSB investigations on N3531B (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 DIA68D0056](https://openairdocs.org/ntsb/DIA68D0056), Aug 14, 1967: Beech D18S (N3531B), Baltimore, MD, substantial damage

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