When can a boat hail for room to tack? [Sailing Rules 2025-2028]

In World Sailing case 10, a boat hails another boat to windward of them for room to tack while they approach a third boat on the opposite tack. The boat that was hailed immediately tacks and protests the hailing boat. Which of the boats broke a rule? Note: this video was recorded against the 2021-2024 rules. The answer is unchanged under the 2025-2028 rules: a boat that hails when they are neither approaching an obstruction nor sailing close-hauled or above breaks rule 20.1, and the hailed boat must still respond. One thing did change: Rule 20.1 now specifies the words of the hail, which must be "Room to tack". The 2021-2024 rule only said a boat may hail for room to tack, without prescribing the wording. Subscribe for more videos on the racing rules of sailing:    / @racingrulesgeek   Sources: The Racing Rules of Sailing for 2025-2028 https://www.sailing.org/inside-world-... World Sailing Case Book for 2025-2028: https://www.sailing.org/document/worl... Chapters: 0:00 / What was the situation in case 10? 0:38 / Which racing rules apply? 2:14 / Which boat broke a rule?