Section 114.195 - Ultralight identification(1) In this section, "ultralight aircraft" means an aircraft which meets all of the following requirements: (a) Is used or intended to be used for manned operation in the air by a single occupant.(b) Is used or intended to be used for recreation or sport purposes only.(c) Does not have any U.S. or foreign air-worthiness certificate.(d) If unpowered weighs less than 155 pounds or if powered weighs less than 254 pounds empty weight excluding floats and safety devices which are intended for use in catastrophic situation, has a fuel capacity not exceeding 5 gallons, is not capable of more than 55 knots calibrated air speed at full power in level flight and has a power-off stall-speed which does not exceed 24 knots calibrated air speed.(2) No person may operate an ultralight aircraft within this state unless the aircraft displays an identification number assigned by an organization, approved by the department, which issues identification numbers for ultralight aircraft. The department shall maintain a list of organizations which qualify under this subsection. Any industry registration program approved by the federal aviation administration shall be approved by the department.(3) Any person violating sub. (2) shall be required to forfeit not more than $500.