Any microlight aeroplane that:
a) is designed to carry one person;
b) has a maximum take-off mass of no more than:
i) 300 kg for a single seat landplane (or 390 kg for a single seat landplane of which 51% was built by an amateur, or non-profit making association of amateurs, for their own purposes and without any commercial objective, in respect of which a Permit to Fly issued by the CAA was in force prior to 1 January 2003); or
ii) 315 kg for a single seat landplane equipped with an airframe mounted total recovery parachute system; or
iii) 330 kg for a single seat amphibian or floatplane; and
c) has a stall speed or minimum steady flight speed in the landing configuration not exceeding 35 knots calibrated airspeed.