Navigation lightsQuestion 209 of 566

Which light shows over an arc of 360 degrees?

  1. A sternlight
  2. A sidelight
  3. An all-round light
  4. A masthead light
Show answer

Correct answer: An all-round light

An all-round light can be seen from every direction.

Source: Safe Boating Guide (TP 511E, 2026), Navigation lights, page 28

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Questions last reviewed: 18 October 2026