Radar systems are essential for safe navigation and collision avoidance on modern vessels. Equipped with X-Band and S-Band capabilities, the Supercored 70SB / C1 meets IMO SOLAS requirements, ensuring reliable performance in various maritime conditions. This electromagnetic radar is designed to provide accurate situational awareness, making it a critical component for any ship’s bridge. Common failures include the magnetron reaching its end-of-life after 5,000 to 8,000 operating hours on magnetron models, and antenna rotational motor bearing damage occurring after 30,000+ hours. Other issues may involve display backlight failure, heading marker alignment drift, and moisture intrusion into waveguides due to compromised pressurization. To maintain optimal performance, it is recommended to keep a spare magnetron on board for magnetron models, with a lead time of 1-3 weeks from Hyundai Welding Co., Ltd. (Pohang). Regular maintenance practices include replacing the magnetron every 5,000-8,000 hours and lubricating the antenna bearings annually. Additionally, weekly performance monitor tests are required by IMO regulations, along with an annual inspection to ensure all systems are functioning correctly. The Supercored 70SB / C1 is a robust radar solution that supports safe and efficient navigation, provided it receives the necessary care and maintenance over its operational life.