---
kind: "section"
citation: "46 C.F.R. § 121.404"
title: "46"
number: "121.404"
heading: "Radars."
url: "https://uscodex.org/cfr/46/121.404"
---

# §121.404. Radars.

- (a) Except as allowed by [paragraph (b)](#b) of this section, all self-propelled vessels 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.
- (b) **The following vessels are not required to carry a radar—**
  - (1) A ferry that operates on a rivers route within one mile of land; and
  - (2) A vessel operated on a short restricted route, when the cognizant OCMI has determined that a radar is not necessary due to the vessel's route and local weather conditions.
- (c) The radar and its installation must be suitable for the intended speed and route of the vessel.

## 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 933, Jan. 10, 1996, unless otherwise noted.