Ocean Signal SafeSea S100 SART

The Ocean Signal SafeSea S100 SART (Search and Rescue Transponder) is a critical piece of safety equipment for any serious boater or commercial mariner operating beyond coastal assistance. This compact transponder detects radar signals from search and rescue aircraft and ships, automatically responding with a distinctive pattern that makes your vessel immediately visible on their displays. Whether you're running overnight offshore, fishing remote waters, or operating in areas where immediate help isn't minutes away, the SafeSea S100 bridges the gap between emergency and rescue—it's the device that turns a distress into a recovery.

At just 1.7 pounds and measuring 5 × 5 × 12 inches, the SafeSea S100 delivers professional-grade maritime rescue technology in a package that won't crowd your wheelhouse or emergency locker. The transponder operates passively until activated by X-band or S-band radar, requiring no external power source and no operator intervention—it simply sits ready and responds when needed. This self-contained design meets international SOLAS and USCG standards, meaning it's recognized and trusted by rescue authorities worldwide. The rugged construction and waterproof housing ensure reliability even in harsh marine environments where salt spray, vibration, and temperature extremes are routine.

Commercial fishermen, offshore cruisers, and professional mariners rely on the SafeSea S100 because it operates independently of electronics, GPS, or communication systems—if everything else fails, your SART still functions. The transponder is equally valuable for pleasure boaters in remote waters, charter operations, and any vessel operating where rescue response times are measured in hours rather than minutes. Installation is straightforward: mount it in an accessible location above the waterline where its antenna has clear sky view, and verify it meets your vessel's safety compliance requirements. For operators subject to SOLAS regulations or working in international waters, the SafeSea S100 isn't optional—it's the industry standard that authorities specifically train to locate and identify.