Search LADD: N81SF
N81SF 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
N81SF is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N81SF
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ICAO: ab0899
ICAO Type: CL30
Manufacturer: BOMBARDIER INC
Model: BD-100-1A10
Year: 2006
Owner: BROADWAY AIR CORP
Military: False