Search LADD: N156SP
N156SP 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
N156SP is also on the LADD Source block list as of last check on 2023-01-09
Aircraft Info: N156SP
ICAO: a0e217
ICAO Type: M20P
Manufacturer: MOONEY
Model: M20J
Year: 1992
Owner: OZIUM LLC
Military: False