Search LADD: N421SZ
N421SZ 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 ADSBExchange though.
Seen on LADD before we began logging dates.
Last Seen on LADD: 2023-09-19
N421SZ is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N421SZ
ICAO: a500feTrack on ADS-B Exchange
ICAO Type: GL7T
Manufacturer: BOMBARDIER INC
Owner: GEX LEASING CORP