🔍 Key Concepts

• Rule 34 – Maneuvering and Warning Signals (International Rules) • Meaning of one short blast in International waters • Duties of the stand-on vessel vs give-way vessel in a crossing situation

💭 Think About

• In International Rules, when does a vessel use whistle signals: when intending to maneuver, or when maintaining course and speed? • If you are going to hold course and speed, are you announcing a maneuver, or the absence of one? How should that affect your whistle signal choice? • Under what specific condition is the danger signal (five or more short blasts) used, and does this question say you are in doubt about the other vessel’s intentions?

✅ Before You Answer

• Verify in Rule 34 that one and two short blasts are for announcing alterations of course • Check whether the stand-on vessel is required to answer with the same signal if it is not altering course • Confirm the exact wording about when to use the danger signal (doubt or misunderstanding of another vessel’s actions)