Boating Coach
Navigation lightsQuestion 288 of 566

A power-driven vessel tows another vessel astern. The tow is 200 m or less. How many masthead lights in a vertical line must the towing vessel show?

  1. 1
  2. 3
  3. 2
  4. 4
Show answer

Correct answer: 2

Two masthead lights in a line mean a tow of 200 m or less. A tow over 200 m needs three.

Source: Safe Boating Guide (TP 511E, 2026), Know how to recognize a towing vessel at night, page 38

All questionsPractice the topic "Navigation lights"

Questions last reviewed: 18 October 2026