Boating Coach US
Rules of the roadQuestion 221 of 352

In fog, you hear a fog signal apparently ahead of your beam. What do you do, unless no risk exists?

  1. Speed up to pass quickly
  2. Turn off your engine and drift
  3. Slow to the minimum speed at which you keep your course
  4. Hold your speed and sound a horn
Show answer

Correct answer: Slow to the minimum speed at which you keep your course

Reduce speed to the minimum at which you can be kept on course, and use extreme caution.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.19 Conduct of vessels in restricted visibility (Rule 19)

All questionsPractice the topic "Rules of the road"

Questions last reviewed: 18 October 2026