Boating Coach US
Aids to navigationQuestion 235 of 352

What color are special marks?

  1. Orange and white
  2. Solid yellow
  3. Solid white
  4. Black and yellow
Show answer

Correct answer: Solid yellow

Special marks are yellow. They show areas such as anchorages and cable or pipeline areas.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 62: United States Aids to Navigation System, § 62.31 Special marks

All questionsPractice the topic "Aids to navigation"

Questions last reviewed: 18 October 2026