I would like to mount two small offroad or foglights to my boats bow for nighttime navigating ie,I see a fair amount of logs in area lakes in the daytime,dont want to hit them.Is it legal?.Im in N.C.I could see how they might obscure the nav. lights and figure I could turn them off if see other boat lights ahead.anyone tried this and what lights might be good to use?I would mount them just under the bow of a lrg jonboat.