Search LADD: N501LS
N501LS 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
N501LS is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N501LS
ICAO: a63eb2
ICAO Type: CRJ2
Model: CL-600-2B19