{"data":{"id":"us/46-cfr-184.404","jurisdiction":"us","citation":"46 CFR 184.404","heading":"Radars.","body":"(a) A vessel must be fitted with a Federal Communications Commission (FCC) type accepted general marine radar system for surface navigation with a radar screen mounted at the primary operating station if:\n(1) The vessel is self-propelled;\n(2) The vessel has an oceans, coastwise, limited coastwise, or Great Lakes route; and\n(3) The vessel carries more than 49 passengers.\n(b) A ferry that carries more than 49 passengers on a rivers route not within one mile of land must be fitted with a FCC Type Accepted general marine radar system for surface navigation with a radar screen mounted at the primary operating station.\n(c) The radar and its installation must be suitable for the intended speed and route of the vessel.\n(d) A vessel operated on a short restricted route need not be fitted with a radar if the cognizant OCMI determines that a radar is not necessary due to the vessel's route and local weather conditions.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER T—SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS)","PART 184—VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT","Subpart D—Navigation Equipment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"bc0402dd4fe98ae0d8683e01e030c02d157f202a69586b13238af544932485e9","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-184.402","next":"us/46-cfr-184.410"},"notice":"GroundRules: Original legal text. Not legal advice."}