SART or Search and Rescue Transponder is extremely vital equipment on a ship as it performs the job of a signal-man. It is a vital machine during distress, for it helps in locating the position of the vessel in case it goes off-track. SARTs are made of waterproof components, which protects them against damage by water. PLBs are much smaller in size as compared to an EPIRB. They work all across the world, at sea as well as on land. Once activated, PLBs transmit for a minimum of 24 hours; while the battery life on an EPIRB is at least double (a minimum of 48 hours). An EPIRB is registered to a vessel, whereas a PLB is registered to an individual. Conclusions. The second generation 406 MHz beacons are being developed for operating in the Cospas-Sarsat satellite system of a new generation - MEOSAR. This system will allow pinpoint the location of the beacon in close to real time with a high degree of accuracy that is not available in the current system. Beacons – frequently asked questions EPIRBs are designed to work for a minimum of 48 hours continuously once activated. How far can you go without an EPIRB? An EPIRB is required to be carried if you are operating beyond 2 nautical miles from the mainland shore or more than 400 metres from an island located more than 2 nautical miles from the The Cospas-Sarsat satellite system. Activation: When a life-threatening situation arises, the user activates the EPIRB. This typically involves removing a safety pin or deploying an antenna, or automatic activation by the seawater connectors on the EPIRB, depending on the type. Transmission: Once activated, the EPIRB sends a distress signal via Activate the EPIRB by pressing the ON switch or by placing it in water. Option 2: Water activation – This will happen automatically when the vessel capsizes. See How Float-free EPIRBs work. Once an EPIRB has been activated, it must be returned to the manufacturer for servicing. This will ensure the EPIRB is fit for purpose for the next journey. .

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