BOTH INTERNATIONAL & INLAND You are watching another vessel approach, and her compass bearing is not changing. What does this indicate?
• Risk of collision as described in Rule 7 – Risk of Collision • Meaning of a constant compass bearing to another vessel as distance decreases • Difference between stand-on/give-way status and simple collision risk assessment
• If another vessel’s bearing stays the same on your compass while the range is decreasing, what does that normally mean about your relative tracks? • Does a vessel being dead in the water (not making way) automatically make her bearing stay constant, or could her bearing still change as you pass? • Is being the stand-on vessel something you decide from the bearing alone, or from the overall crossing/meeting/overtaking situation and relative headings?
• Re‑read Rule 7 – Risk of Collision and look for language about constant bearing, decreasing range • Ask yourself whether any of the options confuse right-of-way (stand-on) with simple collision risk indication • Consider whether a vessel’s engine status or motion through the water is directly observable just from a steady compass bearing.
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