14 C.F.R. § 103.1 Applicability.
Title 14 - Aeronautics and Space
This part prescribes rules governing the operation of ultralight vehicles in the United States. For the purposes of this part, an ultralight vehicle is a vehicle that: (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 airworthiness certificate; and (d) If unpowered, weighs less than 155 pounds; or (e) If powered: (1) Weighs less than 254 pounds empty weight, excluding floats and safety devices which are intended for deployment in a potentially catastrophic situation; (2) Has a fuel capacity not exceeding 5 U.S. gallons; (3) Is not capable of more than 55 knots calibrated airspeed at full power in level flight; and (4) Has a power-off stall speed which does not exceed 24 knots calibrated airspeed.
Title 14: Aeronautics and Space
PART 103—ULTRALIGHT VEHICLES
Subpart A—General
§ 103.1 Applicability.
