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AhaBulb: Stuff Everyone Should Know · ahabulb.com/boat-rule-seven-doubt

Under Rule 7, what if you doubt whether collision risk exists?

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  1. Assume there is no risk
  2. Treat the risk as existing
  3. Wait until the boats are close

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References

  1. 33 CFR 83.07 Risk of Collision Rule 7 www.ecfr.gov/current/title-33/chapter-I/subchapter-E/part-83/subpart-B/section-83.07 Checked 2026-10-09.

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