46 C.F.R. § 180.64 Emergency Position Indicating Radiobeacons (EPIRB).
Title 46 - Shipping
Each vessel that operates on the high seas, or that operates beyond three miles from the coastline of the Great Lakes, must have on board a FCC Type Accepted Category 1, 406 MHz EPIRB, installed to automatically float free and activate.
Title 46: Shipping
PART 180—LIFESAVING EQUIPMENT AND ARRANGEMENTS
Subpart B—Emergency Communications
§ 180.64 Emergency Position Indicating Radiobeacons (EPIRB).
