Class 4, the gyroplane

An ultralight gyroplane meets the following technical conditions:
- Single propeller engine with a maximum power of 116 hp or less for a single-seater and 143 hp or less for a two-seater.
- The maximum mass is 330 kg or less for a single-seater and 500 kg or less for a two-seater; these masses may be increased by 15 kg for a single-seater gyroplane fitted with a rescue parachute or by 25 kg for a two-seater gyroplane fitted with a rescue parachute, and by 30 kg for a single-seater microlight gyroplane intended for operation on water or by 45 kg for a two-seater microlight gyroplane intended for operation on water.
- The rotor loading at maximum mass is between 4,5 and 12 kg/m².