N400XT is reserved. Fee-paid reservation held by Flight Level 500 Inc — if it isn't renewed, the FAA releases it on Oct 16, 2026 (in about 2 months).
Checked against FAA data from Aug 23, 2026. Not an official FAA determination — always confirm with the FAA before filing.
Reserved by an individual or company; a renewal notice has been sent.
Reservations lapse more often than you'd think. Check back around Oct 16, 2026 — if the holder doesn't renew, it becomes available. See everything scheduled to free up in October 2026.
Tails one nudge away from N400XT that aren't assigned or reserved: