# N3531B: Beech D18S, registration cancelled 1983-08-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 31, 1983
- Status when cancelled: Valid registration
- Airframe: [Beech D18S](https://openairdocs.org/model/beech-d18s) (registry code 1151004)
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765) (OpenAirDocs)
- Serial number: A-997
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 4, 1980
- Mode S code: A3F26F
- Owner when cancelled: [Knight Karl DBA Knight Aircraft](https://openairdocs.org/faa-owner/KNIGHT%20KARL%20DBA%20KNIGHT%20AIRCRAFT)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3531B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3531B
- Page: https://openairdocs.org/deregistered/N3531B-1983-08-31

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Beech D18S: https://openairdocs.org/model/beech-d18s.md

## NTSB investigations (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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