Distress signalsQuestion 276 of 352

Which flag signal shows distress?

  1. A plain white flag
  2. A red-and-white diver flag
  3. A yellow flag with a cone
  4. A square flag with a ball above or below it
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Correct answer: A square flag with a ball above or below it

A square flag with a ball, or something like a ball, is a distress signal.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 87: Annex IV: Distress Signals, § 87.01 Need of assistance

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Questions last reviewed: 18 October 2026