Special Marks Post category:Aids of Navigation Spread the loveTweet Tags: aids of navigation, Collision regulations, Colregs, lake st clair, learn to sail, light list, rules of the road, sailing, sailing classes Read more articles Previous PostLocal Notice to Mariners in Michigan Next PostWind Speed and Direction at Lake St. Clair You Might Also Like Regulatory Marks May 9, 2021 Lateral Aids to Navigation May 9, 2021 Non Lateral Aids of Navigation May 9, 2021