Holders of pilot licences or equivalent privileges for aeroplanes, microlights having fixed wings and moveable aerodynamic control surfaces acting in all three dimensions, microlight helicopters, gyroplanes, gliders, self-sustaining gliders or self-launching gliders may be credited with 10% of their total flight time as pilot-incommand incommand in such aircraft up to a maximum of 6 hours towards a PPL(H).