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SESK: Stuff Everyone Should Know · sesk.info/boat-rule-two-immediate-danger

When may special circumstances require departing from a Navigation Rule?

Only when necessary to avoid immediate danger.

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  1. To avoid immediate danger ✔
  2. To shorten every trip
  3. Whenever another route looks easier

Why: Rule 2 requires regard for navigation dangers, collision risk, special circumstances, and vessel limits. A departure may be necessary only to avoid immediate danger.

Huh, didn't know that: Following a rule does not excuse neglecting ordinary seamanlike precautions.

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Rule 2 brought good judgment because the rulebook could not steer by itself.
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References

Answer: To avoid immediate danger. Rule 2 requires regard for navigation dangers, collision risk, special circumstances, and vessel limits. A departure may be necessary only to avoid immediate danger.

  1. 33 CFR 83.02 Responsibility Rule 2 www.ecfr.gov/current/title-33/chapter-I/subchapter-E/part-83/subpart-A/section-83.02
    may make a departure from these Rules necessary to avoid immediate danger
    Checked 2026-10-09.

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