How to BLOCK your private/business aircraft registration on FlightRadar24.com site.
Aircraft type - (It will only show the 'type code'[LJ35,C750,PA31,etc)] of the aircraft on flightradar24 map.
Example Links:
http://www.flightradar24.com/CL30
http://www.flightradar24.com/C56X
http://www.flightradar24.com/H25B
"Blocked" - Any aircraft without any type codes in the database.
Example Link:
http://www.flightradar24.com/BLOCKED
They will block the aircraft registration / callsign and the Mode-S/ADS-B transponder code from being displayed on the public website.
Only the Altitude & Speed and Latitude/Longitude will be shown.
Even if the aircraft only has Mode-S without ADS-B transponder. It will still be shown on the FR24 website by using MLAT.
A method to calculate position of aircraft without ADS-B transponder.
http://en.wikipedia.org/wiki/Multilateration
It's very quick and easy to submit the block information to them.
Send aircraft registration information to be blocked.
http://www.flightradar24.com/contact-us