🔍 Key Concepts

• Review Inland Rule 34 (Maneuvering and Warning Signals), especially the parts that deal with vessels in sight of one another and overtaking situations. • Think about whether sound signals Inland indicate a course change or an intention/relationship between the two vessels (for example, which side you will leave the other vessel on). • Consider the definition of an overtaking vessel under Rule 13 and whether that rule itself requires a sound signal, or if the requirement comes from Rule 34.

💭 Think About

• Ask yourself: In Inland waters, must a power-driven vessel that is overtaking another, within half a mile and in sight, sound a whistle signal even if it does not need to alter course to overtake? • Look at the picture carefully: From which side is vessel A passing vessel B (A’s port side or starboard side relative to B)? Which Inland whistle signal, if any, corresponds to that passing arrangement? • Decide whether any of the listed signals are meeting/crossing signals versus overtaking signals, and eliminate choices that clearly don’t match an overtaking situation.

✅ Before You Answer

• Verify whether Rule 34(a) applies only to meeting and crossing situations, and what distance condition (e.g., within half a mile) is involved. • Verify under Inland Rule 34(c) (if applicable) what specific whistle signal is prescribed for overtaking on the other vessel’s port or starboard side. • Make sure you distinguish between a prolonged blast (often associated with other situations such as leaving a berth or in restricted visibility) and short blasts used for maneuvering intentions in sight of another vessel.