199.510—EPIRB requirements.
        
        (a) 
         Each vessel must carry a category 1 406 MHz satellite EPIRB meeting the requirements of  47 CFR part 80.
    
    
        
        (b) 
         When the vessel is underway, the EPIRB must be stowed in its float-free bracket with the controls set for automatic activation and be mounted in a manner so that it will float free if the vessel sinks.