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Navigation Rule 5 says every vessel must keep a proper lookout using what?

Sight, hearing and all available means.

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  1. Sight, hearing and all available means ✔
  2. Radar only
  3. GPS alerts only

Why: Rule 5 requires a proper lookout at all times by sight and hearing plus all available means, so you can fully judge the situation and the risk of collision.

Huh, didn't know that: The Coast Guard guide says most boating accidents are caused by operator inattention.

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What do you call a fish with no eyes? A fsh.
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References

Answer: Sight, hearing and all available means. Rule 5 requires a proper lookout at all times by sight and hearing plus all available means, so you can fully judge the situation and the risk of collision.

  1. 33 CFR 83.05 Look-out, Inland Rule 5 (eCFR) www.ecfr.gov/current/title-33/section-83.05
    Every vessel shall at all times maintain a proper look-out by sight and hearing as well as by all available means
    Checked 2026-10-08.
  2. USCG A Boater's Guide to the Federal Requirements for Recreational Boats (2023) www.uscgboating.org/assets/1/AssetManager/Boaters-Guide-to-Federal-Requirements-for-Receational-Boats-20231108.pdf
    Most boating accidents are caused by operator inattention.
    Checked 2026-10-08.

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