U.S. Code > Title 33 Navigation and Navigable Waters > CHAPTER 34—INLAND NAVIGATIONAL RULES (§§ 2001—2073) > SUBCHAPTER I—RULES (§§ 2001—2038) > Part B—Steering and Sailing Rules (§§ 2004—2019) > subpart ii—conduct of vessels in sight of one another (§§ 2011—2018) > § 2018. Responsibilities between vessels (Rule 18)

§ 2018. Responsibilities between vessels (Rule 18)

Except where Rules 9, 10, and 13 otherwise require:
(a) Power-driven vessels underway
A power-driven vessel underway shall keep out of the way of:
(i) a vessel not under command;
(ii) a vessel restricted in her ability to maneuver;
(iii) a vessel engaged in fishing; and
(iv) a sailing vessel.
(b) Sailing vessels underway
A sailing vessel underway shall keep out of the way of:
(i) a vessel not under command;
(ii) a vessel restricted in her ability to maneuver; and
(iii) a vessel engaged in fishing.
(c) Vessels engaged in fishing when underway
A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of:
(i) a vessel not under command; and
(ii) a vessel restricted in her ability to maneuver.
(d) Seaplanes on the water
A seaplane on the water shall, in general, keep well clear of all vessels and avoid impeding their navigation. In circumstances, however, where risk of collision exists, she shall comply with the Rules of this Part.