N4521B

1955 Cessna 180

Fixed-wing, single engine · serial 31420

Valid registration

Registered with the FAA until Apr 30, 2029.

Registered owner

Witthaus James K JR

Owner type: Partnership
Address: 9801 Sidorof Ln, Anchorage, AK 99507
Also named: Witthaus Dorothy M Yee

Aircraft

Make and model: Cessna 180
Year built: 1955
Serial number: 31420
Type: Fixed-wing, single engine · Land
Engines: 1 × Piston · Cont Motor O 470R · 230 hp
Seats: 4
Weight class: Up to 12,499 lb
Certification: Type certificated · Multiple airworthiness (issued Jul 5, 2002)
Mode S code: A57C07 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Jan 25, 1995 · last FAA action Jul 28, 2023

What a Cessna 180/185 looks likePhoto of a Cessna 180/185, not this aircraft: Tomás Del Coro from Las Vegas, Nevada, USA, CC BY-SA 2.0, via Wikimedia Commons

Check the official record

This page mirrors the FAA's public registry file dated Oct 30, 2026. The FAA's own N-number inquiry is the official record, with the full owner address and documents.

Where is it now?

The registry doesn't show where an aircraft is flying. Flight trackers do, by tail number or Mode S code A57C07: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

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