Distress signalsQuestion 271 of 352

Which spoken word on the radiotelephone signals distress?

  1. Pan-pan
  2. Mayday
  3. Securite
  4. Help me
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Correct answer: Mayday

Mayday sent by radiotelephone indicates distress and need of help.

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