Every vessel shall be equipped with:
(a)
A steering light located on the centerline at or near the stem of the vessel and clearly visible from the helm; or
(b)
Two steering lights located at equal distances either side of the centerline at the forepart of the vessel and clearly visible from the bridge along a line parallel to the keel.
Code of Federal Regulations
[49 FR 30935, Aug. 2, 1984]