Search LADD: N171JS
N171JS 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
N171JS is also on the LADD Source block list as of last check on 2023-01-09
Aircraft Info: N171JS
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ICAO: a11dbd
ICAO Type: C340
Manufacturer: CESSNA
Model: 340
Year: 1979
Owner: SERRATO JOEL
Military: False