In a busy waterway, which device can call every nearby Good Samaritan boater at once?

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  1. A cell phone
  2. A personal locator beacon
  3. A VHF marine radio

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References

  1. US Coast Guard Navigation Center, Cellular Telephones on Boats www.navcen.uscg.gov/cell-telephones-on-boats Checked 2026-10-09.
  2. US Coast Guard Navigation Center, Radio Information for Boaters www.navcen.uscg.gov/radio-information-for-boaters Checked 2026-10-09.

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