N403SB

Gulfstream Aerospace G-IV

Fixed-wing, multi-engine · serial 1417

Valid registration

Registered with the FAA until Feb 28, 2029.

Registered owner

SMB G-Iv X LLC

Owner type: LLC
Address: 2104 Lakehaven PT, Longwood, FL 32779

Aircraft

Make and model: Gulfstream Aerospace G-IV
Year built: —
Serial number: 1417
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 Mar 21, 2001)
Mode S code: A4B958 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Feb 10, 2022 · last FAA action Oct 28, 2025

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 A4B958: 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.