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USCG Exam Practice · Rule 7 — Risk of Collision

The Inland Navigation Rules require that every vessel maintain a proper look-out:

  1. AOnly during periods of restricted visibility
  2. BWhenever operating in a traffic separation scheme
  3. CAt all times by sight and hearing as well as by all available means appropriate to the prevailing circumstances✓ correct
  4. DWhenever another vessel is observed within one mile

Why C is correct

33 CFR §83.05 requires every vessel to maintain a proper look-out at all times by sight and hearing as well as by all available means appropriate to the prevailing circumstances and conditions. There is no limitation to restricted visibility or proximity thresholds.

Cited:33 CFR §83.05

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