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Who Owns This Plane?

N450Z

2005 Gulfstream Aerospace GIV-X (G450)

Fixed-wing, multi-engine · serial 4012

Valid registration

Registered with the FAA until Jan 31, 2029.

Registered owner

Owner type: LLC
Address: 4190 Telegraph Rd Ste 3500, Bloomfield Hills, MI 48302

Aircraft

Make and model: Gulfstream Aerospace GIV-X (G450)
Year built: 2005
Serial number: 4012
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan · Rolls-Royc TAY 611SER · 12,450 lb thrust
Seats: 22
Weight class: 20,000 lb and over
Certification: Type certificated · Standard airworthiness (issued Feb 14, 2005)
Mode S code: A5745B (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Dec 4, 2009 · last FAA action Jul 7, 2023

Past registrations of N450Z

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

Apr 7, 1988 Cloaninger William G VARI-EZE · serial 245481059

What a Gulfstream IV looks likePhoto of a Gulfstream IV, not this aircraft: NOAA; http://www.photolib.noaa.gov/aboutc.html, Public domain, 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 A5745B: 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.