EPIRB EMERGENCY POSITION INDICATING RADIO BEACION
MEO CLASS 4 self activating radio transponder made of buoyancy material as per SOLAS min 1 should be carried, as per dg shipping 2 should be carried, battery storage life is 5 years. attached in bridge wings with HRU it capable of flooding and automatically activated in the event of flooding. once it is activated it will continuously sends the radio signal at least 48 hours . it will send the code message via satellite. frequency is 406.5Ghz signal recived by the rescue coordination center, EPIRB capable of send signal to 3NM some of EPIRB have in build GPS which accuracy is located to +- (1- 50) meters cospassart satellite signal will update every 20 mints