What am I not understanding? I read on the Coast Guard web site for safe boating, that during the day, all vessels at anchor must display, forward where it can be best seen, a black ball shape. Additionally, during the day, vessels under sail also being propelled by machinery, must exhibit forward, where best seen, a black conical shape with the apex pointing down. I generally sail coastal waters and bays. To the best of my recollection, I have never seen any boat displaying a black ball while at anchor, nor have I ever seen a sailboat displaying a black conical shape while motoring with the sails up. I can't believe every boater I've seen is doing it wrong, yet this web site is stating these are actual regulations. The only exception it makes to these laws is if your boat is less than 39.4 feet in length and on inland waters.What am I missing? Do you display these markings as required?