The rules are designed to prevent a situation.
Sailing vessel rules. The current edition is the RRS 2021-2024. The rules says a sailing vessel underway may exhibit a red light over a green light at the masthead. It is revised and published every four years by World Sailing.
The Racing Rules of Sailing RRS governs the sport of sailboat and sailboard racing. Rule 12 - Sailing vessels Power driven vessels must avoid andor give way to all sailing vessels when under sail. When should the fog signal of a manned vessel under tow be sounded.
Rule 25 Sailing Vessels underway and Vessels under Oars. Steering and Sailing Rules. Rule 31 Seaplanes.
Sailing vessels a when two sailing vessels are approaching one another so as to involve risk of collision one of them shall keep out of the way of the other as follows. Whenever two boats come close to each other the rules designate one as the stand-on vessel and the other as the give-way vessel. The rules come from the International Regulations for Preventing Collisions at Sea COLREGS with which the US.
If you are asked. When you are on the same tack as the other boat the leeward boat has the right-of-way. When sail meets sail.
Passing Rules for Sailing Vessels. Right after the towing vessels fog signal. I when each of them has the wind on a different side the vessel which has the wind on the port side shall keep out of.