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Who Owns This Plane?

N604MM

1998 Bombardier Inc CL-600-2B16

Fixed-wing, multi-engine · serial 5381

Valid registration

Registered with the FAA until Jun 30, 2027.

Registered owner

Owner type: LLC
Address: 3450 Sacramento St #722, San Francisco, CA 94118
Fleet: 4 aircraft registered to this owner

Aircraft

Make and model: Bombardier Inc CL-600-2B16
Year built: 1998
Serial number: 5381
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan · Ge CF34-3B · 9,220 lb thrust
Seats: 22
Weight class: 20,000 lb and over
Certification: Type certificated · Standard airworthiness (issued Aug 15, 2007)
Mode S code: A7D73A (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Jun 9, 2011 · last FAA action Apr 11, 2023

Past registrations of N604MM

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

Nov 18, 1989 Piper PA-24-250 · serial 241142

What a Bombardier Challenger 600 series looks likePhoto of a Bombardier Challenger 600 series, not this aircraft: Maarten Visser from Capelle aan den IJssel, Nederland, 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 A7D73A: 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.