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USCG Exam Practice · Rule 8 — Action to Avoid Collision

When altering course or speed to avoid collision, the Rules require that the alteration be large enough to be readily apparent to another vessel observing by what means?

  1. AVisually or by radar✓ correct
  2. BRadar only
  3. CAIS or VHF radio
  4. DVisual observation only

Why A is correct

33 CFR §83.08(b) specifies that any alteration of course and/or speed shall be large enough to be readily apparent to another vessel observing visually or by radar. AIS and VHF are not mentioned in this provision.

Cited:33 CFR §83.08(b)

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When altering course or speed to avoid collision, the Rules require… — USCG Exam Practice · CaptainsGround