Aero Linx: International Republic Seabee Owner’s Club (IRSOC) The International Republic Seabee Owners Club is a community dedicated to the maintenance, modification, and operation of the Republic RC-3 Seabee, a 1946-47 all-metal amphibious sports aircraft. It serves as a resource for pilots and enthusiasts to share information on engine modifications (such as Franklin engines), upgrades, and maintenance.