Search LADD: N4151T
N4151T 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
N4151T is also on the LADD Source block list as of last check on 2023-01-09
Aircraft Info: N4151T
ICAO: a4e940
ICAO Type: PA18
Manufacturer: PIPER
Model: PA-18-150
Year: 1989
Owner: STATE OF ALASKA, DEPARTMENT OF PUBLIC SAFETY
Military: False