CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER E—INLAND NAVIGATION RULES (parts 83 to 90) > PART 83—RULES > SUBPART C—Lights and Shapes (§83.20 to §83.31) > 83.29—Pilot vessels (Rule 29).

83.29—Pilot vessels (Rule 29).

(a) Vessels engaged on pilotage duty. A vessel engaged on pilotage duty shall exhibit:
(1) At or near the masthead, two all-round lights in a vertical line, the upper being white and the lower red;
(2) When underway, in addition, sidelights and a sternlight; and
(3) When at anchor, in addition to the lights prescribed in subparagraph (1), the anchor light, lights, or shape prescribed in Rule 30 for anchored vessels.
(b) Vessels when not engaged on pilotage duty. A pilot vessel when not engaged on pilotage duty shall exhibit the lights or shapes prescribed for a vessel of her length.