Boating Coach US
Rules of the roadQuestion 147 of 352

Which boat is underway?

  1. A boat at anchor in a cove
  2. A boat that drifts free, not at anchor or tied up
  3. A boat made fast to the shore
  4. A boat that is aground on a bar
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Correct answer: A boat that drifts free, not at anchor or tied up

A boat is underway unless it is at anchor, made fast to shore, or aground.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.03 General definitions (Rule 3)

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Questions last reviewed: 18 October 2026