AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/boat-crossing-give-way

Two powerboats are crossing paths. Which one must keep out of the way?

The one with the other boat on its starboard (right) side.

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  1. The one with the other on its starboard side ✔
  2. The one with the other on its port side
  3. The faster one

Why: Inland Rule 15 says when two power-driven vessels cross, the one with the other on her starboard (right) side gives way, and should avoid crossing ahead of it.

Huh, didn't know that: On the Great Lakes and Western Rivers, a power-driven boat crossing a river keeps out of the way of power-driven boats going up or down it.

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What kind of fish do knights eat? Swordfish.
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References

Answer: The one with the other on its starboard side. Inland Rule 15 says when two power-driven vessels cross, the one with the other on her starboard (right) side gives way, and should avoid crossing ahead of it.

  1. 33 CFR 83.15 Crossing situation, Inland Rule 15 (eCFR) www.ecfr.gov/current/title-33/section-83.15
    the vessel which has the other on her starboard side shall keep out of the way
    Checked 2026-10-08.

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Test yourself in the game

Boating & WaterWhen another boat must keep out of your way, what must your stand-on boat do?Boating & WaterA powerboat and a sailboat under sail are on a collision course in open water. Which one generally gives way?Boating & WaterUnder the Navigation Rules, what must a give-way vessel do?

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