Chilli Monster - I agree that under certain conditions you could argue that you are "in sight of the surface" but on a pitch black night over open country I think it's highly debatable.
Surely the intention of the Act is that you can avoid colliding with the surface by visual means. Could you put your hand on your heart and guarantee avoid doing so on a pitch black night? I don't think so!
Is a light on the surface the surface??
[ 13 January 2002: Message edited by: fireflybob ]</p>