FAA Source blocking, the strictest privacy tier in the FAA’s LADD program, stops FAA flight data from reaching any external vendor. The owner loses access to their own aircraft’s movements on services like FlightAware and Flightradar24. Subscriber-level blocking preserves owner…

Since March 2025, private aircraft owners in the United States have been able to ask the Federal Aviation Administration to withhold their names and addresses from the public side of the civil aircraft registry, under 49 U.S.C. § 44114(b). The…