In the United States, you can fly a specific category of aircraft known as "Ultralights" without a pilot's license, provided they meet the strict requirements of FAA Part 103. To qualify, the aircraft must be single-seat, used only for recreation, and have a maximum empty weight of 254 lbs (115 kg) for powered vehicles (or 155 lbs for unpowered ones). It must also have a top speed of no more than 55 knots (63 mph) and a fuel capacity of 5 gallons or less. These aircraft include powered paragliders (PPGs), certain small fixed-wing planes like the Aerolite 103, and some hang gliders. While the FAA does not require a license, medical certificate, or registration for these vehicles, you are still restricted from flying over "congested areas" (cities and towns) or in controlled airspace without prior authorization. Despite the lack of a legal requirement, almost all aviation experts in 2026 strongly recommend formal training, as piloting even a light aircraft requires a deep understanding of aerodynamics, weather, and airspace rules to avoid disaster.