Navigation lights and shapesQuestion 91 of 352

A pushing vessel is rigidly connected to the vessel it pushes ahead. How are they lighted?

  1. As two separate boats
  2. With three masthead lights
  3. As one power-driven vessel
  4. With a diamond shape and no lights
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Correct answer: As one power-driven vessel

A rigid unit counts as one power-driven vessel.

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