A message giving warning of a hurricane...

🔍 Key Concepts

• Radiotelephone urgency vs. safety vs. distress calls (Mayday, Pan-Pan, Securite) • Use of spoken prefixes on VHF vs. old Morse/teletype signals like TTT • What type of information a hurricane warning represents: danger to a specific vessel now, or general safety information for all navigation?

💭 Think About

• Is a hurricane warning about an immediate distress of one vessel, or about a navigational/safety hazard that affects an area? • Which spoken prefix is used for safety messages to all shipping, such as weather warnings or navigational hazards? • Which option looks like it belongs to older Morse/teletype practices rather than normal voice (radiotelephone) procedure?

✅ Before You Answer

• Identify which call type is for distress (immediate grave and imminent danger). That one is NOT used here. • Identify which call type is for urgency concerning the safety of a ship or person, but not yet distress—does that best fit a general hurricane bulletin? • Identify which call type is for safety of navigation or important weather warnings to all traffic on a VHF channel. That is the class a hurricane warning usually falls into.

A message giving warning of a hurricane should have which prefix when sent by radiotelephone?

TTT TTT TTT

No special prefix

Pan-Pan (3 times)

Securite Securite Securite

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🔍 Key Concepts

💭 Think About

✅ Before You Answer