(f)Category L, classified into the following sub-categories: -(i)L1C: Composite sailplanes;(ii)L1: sailplanes;(iii)L2C: composite powered sailplanes and composite Light Aircraft 1 aeroplanes;(iv)L2: powered sailplanes and Light Aircraft 1 aeroplanes;(v)L3H: hot-air balloons;(vi)L3G: gas balloons;(vii)L4H: hot-air airships;(viii)L4G: Light Aircraft 2 gas airships; and(ix)L5: gas airships other than Light Aircraft 2.