46 C.F.R. § 184.404 Radars.
Title 46 - Shipping
(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: (1) The vessel is self-propelled; (2) The vessel has an oceans, coastwise, limited coastwise, or Great Lakes route; and (3) The vessel carries more than 49 passengers. (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. (c) The radar and its installation must be suitable for the intended speed and route of the vessel. (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.
Title 46: Shipping
PART 184—VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT
Subpart D—Navigation Equipment
§ 184.404 Radars.
