USCG Exam Practice · Rule 23 — Power-driven Vessel Underway (lights)
A power-driven vessel less than 12 meters in length is underway at night. In lieu of the standard underway lights, she MAY exhibit which of the following?
- AAn all-round white light only
- BAn all-round white light and sidelights✓ correct
- CA masthead light and a sternlight only
- DSidelights and a sternlight only
Why B is correct
33 CFR §83.23(d) specifically permits a power-driven vessel of less than 12 meters in length to exhibit, in lieu of the standard lights prescribed in §83.23(a), an all-round white light and sidelights. An all-round white light alone is insufficient under this provision.
Cited:33 CFR §83.23(d)
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