---
kind: "section"
citation: "46 C.F.R. § 184.404"
title: "46"
number: "184.404"
heading: "Radars."
url: "https://uscodex.org/cfr/46/184.404"
---

# §184.404. Radars.

- (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.

## Notes

### Authority

Authority: 46 U.S.C. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.2.

### Source

Source: CGD 85-080, 61 FR 1002, Jan. 10, 1996, unless otherwise noted.