Section 161.011-5 - TypesEPIRBs are typed as follows:
(a) Category 1-EPIRBs are capable of floating free of a vessel and activating automatically if the vessel sinks.(b) Category 2-EPIRBs are manually removed from the mounting bracket and activated.39 FR 10139, Mar. 18, 1974, as amended by CGD 80-024, 49 FR 40409, Oct. 16, 1984