Search LADD: N1664U
N1664U 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: 2023-03-21
Aircraft Info: N1664U
ICAO: a10aefTrack on ADS-B Exchange
ICAO Type: R66
Manufacturer: ROBINSON HELICOPTER CO
Owner: WOODWARD AVIATION LLC