Search LADD: N421T
N421T is on the LADD list. So it is 'blocked'

Any site that uses FAA data is required to block this aircraft, ie. FlightRadar24, FlightAware. You can still track it on TheAirTraffic.com though.
Seen on LADD before we began logging dates.Last Seen on LADD: 2025-05-13
N421T is also on the LADD Source block list as of last check on 2023-01-09
Aircraft Info: N421T
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ICAO: a500ff
ICAO Type: BE35
Manufacturer: BEECH
Model: 35-A33
Year: 1960
Owner: MCCONNELL RAYMOND F
Military: False