In 2026, the most reliable way to find out who owns a private jet is by using its "tail number" (the alphanumeric code starting with "N" for US planes) and searching the FAA Aircraft Registration Inquiry database. This public database provides the name and address of the registered owner, the aircraft's serial number, and its manufacturing year. However, many high-profile owners (like celebrities or CEOs) use trusts or shell companies (e.g., "Bank of Utah Trustee") to obscure their personal identities. To dig deeper, you can cross-reference the registered company name on state-level Secretary of State websites. For real-time tracking, sites like FlightAware or Flightradar24 show the flight path, but owners can opt into privacy programs like LADD or PIA to block their data. For "unfiltered" data that ignores these privacy blocks, the enthusiast-run site ADS-B Exchange is the preferred tool in 2026. If the jet is registered outside the US, you would need to consult the specific civil aviation registry of that country, though some (like the UK or Cayman Islands) are also accessible online.