Specifies the minimum performance requirements, technical characteristics and type-testing requirements of the satellite emergency position-indicating radio beacon used in the COSPAS-SARSAT satellite system (satellite EPIRB), as required by the International Convention for Safety of Life at Sea (SOLAS). Is associated with IEC 60945 and incorporates the performance standards of the relevant IMO Resolutions and ITU Regulations. Significant changes in this third edition include revised characteristics for the low duty cycle light, together with a revised test to allow the use of white LEDs. Other requirements have been clarified or revised as well.