USCG Exam Practice · Rule 15 — Crossing Situation
On the Western Rivers, Vessel A is crossing the river. Vessel B is ascending the river. Both are power-driven. Which vessel must keep out of the way under Inland Rule 15?
- AVessel B, because ascending vessels are give-way to crossing vessels
- BVessel A, because a vessel crossing a river keeps out of the way of a vessel ascending or descending the river✓ correct
- CVessel A, because it has Vessel B on its starboard side
- DVessel B, because descending vessels have right-of-way but ascending vessels do not
Why B is correct
33 CFR §83.15(b) states that on the Great Lakes, Western Rivers, or waters specified by the Secretary, a power-driven vessel crossing a river shall keep out of the way of a power-driven vessel ascending or descending the river. This overrides the standard starboard-side rule of §83.15(a).
Cited:33 CFR §83.15
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