Search LADD: P4SMS
P4SMS is on the LADD list, so it is “blocked”.
Any site that uses FAA data is required to block this aircraft (e.g. FlightRadar24, FlightAware). You can still track it on TheAirTraffic.com though.
Seen on LADD before we began logging dates.
Last Seen on LADD: 2026-07-07
P4SMS is also on the LADD Source block list as of last check on 2023-01-09.