🔍 Key Concepts

• DSC (Digital Selective Calling) categories: Distress, Urgency, and Safety • The specific purpose of a Safety call in GMDSS (Global Maritime Distress and Safety System) • The difference between a situation that is life-threatening now and one that is a warning of danger

💭 Think About

• Which DSC category is used to warn other vessels about dangers to navigation or important weather information? • For each option, ask: is this primarily about an immediate emergency needing help, or about broadcasting information about a hazard? • Which of these situations would most likely be associated with a DSC Distress or Urgency call instead of a Safety call?

✅ Before You Answer

• Identify which situations are immediately life-threatening to persons on board • Recall that a Safety call is normally used to transmit navigational or meteorological warnings and similar information • Match each answer choice to the most appropriate DSC category: Distress, Urgency, or Safety before deciding