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Navigation lights and shapesQuestion 89 of 352

A tow longer than 200 meters shows a shape by day. Which shape?

  1. A ball
  2. A cone with the point up
  3. A diamond
  4. A cylinder
Show answer

Correct answer: A diamond

By day, a long tow shows a diamond where it can best be seen.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.24 Towing and pushing (Rule 24)

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Questions last reviewed: 18 October 2026