N21AX is reserved. Fee-paid reservation held by N27ax LLC — if it isn't renewed, the FAA releases it on Dec 28, 2026 (in about 6 months).
Reserved by an individual or company for $10 per year.
Reservations lapse more often than you'd think. Check back around Dec 28, 2026 — if the holder doesn't renew, it becomes available. See everything scheduled to free up in December 2026.