This course trains students in the effective use of medical guides and radio medical services to manage onboard injuries and illnesses. Students learn how to assess medical situations, apply first-aid procedures, and follow step-by-step guidance from medical manuals. The course also covers how to communicate effectively with shore-based doctors via radio, interpret their instructions, and take appropriate actions during emergencies. Emphasis is placed on confidence, accuracy, and the ability to provide timely and effective care until professional medical assistance is available.