Search LADD: N4542N
N4542N 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
N4542N is also on the LADD Source block list as of last check on 2023-01-09
Aircraft Info: N4542N
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ICAO: a583a3
ICAO Type: AA5
Manufacturer: GRUMMAN AMERICAN AVN. CORP.
Model: AA-5B
Year: 1979
Owner: POLLACK RICHARD D
Military: False