Apparently when you get an "uncertified" time this means you having driven off track, collided with something or someone, OR
drafted behind another car.
Surely they can't say that is a non clean lap? Sure it's assistence, but only so much as picking a bit of speed up to get by someone slower.
Ballsacks.
Oh and PS: I met Stu (McFat) in a Rivals game of the top gear track. I win.