N581B

N581B is taken. It's currently assigned to a 1988 Beech C90A registered in Bozeman, MT.

Checked against FAA data from Aug 23, 2026. Not an official FAA determination — always confirm with the FAA before filing.

Who has it now

Aircraft

1988 Beech C90A

Registered to

Montana Aircraft Trust Inc Trustee

Location

Bozeman, MT

Registration status

Valid registration

Registered since

Jul 20, 2026

Registration expires

Jul 31, 2033

A tail number only frees up if the owner deregisters the aircraft or moves it to a different N-number — and even then the FAA holds it before releasing it to the public.

This tail has history

N581B has been worn before. Past registrations from FAA deregistration records:

• 1988 Beech C90A — Montana Aircraft Trust Inc TrusteeJul 20, 2026 to Jul 30, 2026

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