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DSC AND RADIOTELEPHONY PROCEDURES

DISTRESS

DISTRESS CALL

DISTRESS MESSAGE

ON-SCENE COMMUNICATIONS

PROCEDURAL WORDS RELATING TO DISTRESS WORKING

DISTRESS RELAY

MAYDAY RELAY CALL

MAYDAY RELAY MESSAGE

URGENCY

URGENCY CALL

URGENCY MESSAGE

SAFETY

SAFETY CALL

SAFETY MESSAGE WILL FOLLOW ON THE WORKING CHANNEL OR FREQUENCY, WHERE THE CALL WILL ALSO BE REPEATED.

ROUTINE PROCEDURES

CONTACTING A VESSEL WHOSE MMSI IS UNKNOWN

QUESTIONS

ANSWERS

THE RADIOTELEPHONY EXAMINATION

Exercise details for the vessel Sarpedon.

Exercise details for the vessel Argent.

Details of the received DSC distress alert.

Radio Log - Vessel: SARPEDON - Callsign: MGME8

Quiz Modules

Quiz 1: DSC AND RADIOTELEPHONY PROCEDURES

Quiz 2: DISTRESS

Quiz 3: DISTRESS CALL

Quiz 4: DISTRESS MESSAGE

Quiz 5: ON-SCENE COMMUNICATIONS

Quiz 6: PROCEDURAL WORDS RELATING TO DISTRESS WORKING

Quiz 7: DISTRESS RELAY

Quiz 8: MAYDAY RELAY CALL

Quiz 9: MAYDAY RELAY MESSAGE

Quiz 10: URGENCY

Quiz 11: URGENCY CALL

Quiz 12: URGENCY MESSAGE

Quiz 13: SAFETY

Quiz 14: SAFETY CALL

Quiz 15: SAFETY MESSAGE WILL FOLLOW ON THE WORKING CHANNEL OR FREQUENCY, WHERE THE CALL WILL ALSO BE REPEATED.

Quiz 16: ROUTINE PROCEDURES

Quiz 17: CONTACTING A VESSEL WHOSE MMSI IS UNKNOWN

Quiz 18: QUESTIONS

Quiz 19: ANSWERS

Quiz 20: THE RADIOTELEPHONY EXAMINATION

Quiz 21: Exercise details for the vessel Sarpedon.

Quiz 22: Exercise details for the vessel Argent.

Quiz 23: Details of the received DSC distress alert.

Quiz 24: Radio Log - Vessel: SARPEDON - Callsign: MGME8

Quiz 25: Integrated Distress and Relay Procedures Review

Quiz 26: Integrated Urgency and Safety Procedures Review

Quiz 27: Distress Working Procedural Words Review

Quiz 28: Routine Calling and Unknown MMSI Scenarios

Quiz 29: Mixed Scenario Practice (DSC to Voice)

Quiz 30: Final LRC-Style Procedures Check

Course Survey

Course Survey: GMDSS Communication Procedures

Mastering GMDSS Communication Procedures is a practical, scenario-driven course designed to help mariners confidently use Digital Selective Calling (DSC) and radiotelephony in real-world situations. From first alert to final log entry, you will learn the exact words, sequence, and best practices that save time—and lives—when every second counts. Guided by IMO/ITU procedures, you’ll drill distress, urgency, and safety communications; practice on‑scene coordination; and master routine and unknown-MMSI calling. You’ll also prepare for LRC/GMDSS-style examinations with targeted quizzes that mirror operational tasks, including Mayday and Mayday Relay formatting, Urgency (Pan-Pan), Safety (Securité) broadcasts, and bridge-to-bridge voice transitions after DSC. The course blends concise explanations with actionable checklists, call/message templates, and integrated exercises so you can move from DSC alerting to clear, professional voice traffic without hesitation. Whether you’re a deck officer, radio operator, yachtmaster, or SAR professional, this course gives you the confidence to communicate with precision under pressure. By the end, you’ll be able to compose and transmit correct calls and messages on the first attempt, coordinate multi-asset responses on scene, and maintain a compliant radio log. Prepare to pass assessments, standardize your watchkeeping, and raise the safety bar for your vessel and crew.

Mastering GMDSS Communication Procedures

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            <p>Navigating the complexities of the Global Maritime Distress and Safety System (GMDSS) is a fundamental requirement for any mariner seeking the Long Range Certificate (LRC). This course provides a comprehensive breakdown of the protocols required to manage Digital Selective Calling (DSC) and subsequent radiotelephony communications. By focusing on the precise transition from automated alerts to voice-based coordination, students will gain the proficiency needed to handle critical maritime scenarios with clarity and speed. Understanding these procedures is not merely a regulatory hurdle but a vital skill set for ensuring the safety of life at sea and passing the rigorous practical assessments of the LRC exam.</p>

<p>Throughout this training, the curriculum delves into the specific structures of distress, urgency, and safety communications, including the correct use of procedural words and the execution of distress relays. Practical application is emphasized through detailed modules on on-scene communications and routine calling procedures, even when a vessel's MMSI is unknown. To ensure full readiness for the radiotelephony examination, the course includes simulated exercises involving specific vessels like the Sarpedon and Argent, alongside instruction on accurate radio log maintenance. This structured approach, supported by targeted quizzes and scenario-based reviews, prepares candidates to meet the exact standards expected during the official examination process.</p>
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