N600GS is reserved. Fee-paid reservation held by Gulfstream Aerospace Corp — if it isn't renewed, the FAA releases it on Sep 18, 2026 (in about 3 months).
Reserved by an individual or company; a renewal notice has been sent.
Reservations lapse more often than you'd think. Check back around Sep 18, 2026 — if the holder doesn't renew, it becomes available. See everything scheduled to free up in September 2026.
N600GS has been worn before. Past registrations from FAA deregistration records:
Tails one nudge away from N600GS that aren't assigned or reserved: