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Who Owns This Plane?

N441MM

Learjet Inc 45

Fixed-wing, multi-engine · serial 599

Valid registration

Registered with the FAA until Oct 31, 2032.

Registered owner

Marquis Aviation LLC

Owner type: LLC
Address: 10000 Marquis Dr, Hennepin, IL 61327
Fleet: 2 aircraft registered to this owner

Aircraft

Make and model: Learjet Inc 45
Year built: —
Serial number: 599
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan
Seats: 12
Weight class: 20,000 lb and over
Certification: Type certificated
Mode S code: A54F73 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Oct 18, 2025 · last FAA action Feb 10, 2026

Past registrations of N441MM

N-numbers are reused. Each line is an earlier registration, ending on the date the FAA canceled it.

Jun 2, 2020 2000 Robinson Helicopter R22 BETA · serial 3057 Corestone Management · Newark, DE
Jan 10, 1990 Cessna 441 · serial 4410030

What a Learjet 45 looks likePhoto of a Learjet 45, not this aircraft: Laurent ERRERA from L'Union, France, 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 A54F73: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

Something wrong?

Owners update their registration with the FAA Aircraft Registry; changes appear here the day after the FAA publishes them. Email admin@whoownsthisplane.com about how this site shows a record.