Search LADD: N145SM
N145SM 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
N145SM is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N145SM
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ICAO: a0b6df
ICAO Type: EC45
Manufacturer: EUROCOPTER DEUTSCHLAND GMBH
Model: MBB-BK 117 C-2
Year: 2009
Owner: BANK OF UTAH TRUSTEE
Military: False