KB9STD. It's his call sign. He hold a General class license and lives in Evansville, Indiana. Airplane registration numbers and amateur radio call signs are public and searchable. Ask for help tracking down a license plate of a vehicle someone about ran you over with and you get this big speech about privacy. But, want to know more than you should about an airplane owner or an amateur radio operator and the Feds will take you to their door.

KC9QJA