Search LADD: N139CH
N139CH 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
N139CH is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N139CH
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ICAO: a09cda
ICAO Type: A139
Model: AW139
Owner: CANCELLED/NOT ASSIGNED
Military: False