USCG Exam PracticeRule 25 — Sailing and Rowing Vessels (lights)
Under the Inland Navigation Rules, when two or three lights are prescribed to be carried in a vertical line on a vessel of less than 20 meters in length, what is the minimum spacing between those lights, and what is the minimum height above the gunwale for the lowest light (excluding a towing light)?
- A. 0.5 meters apart; lowest light at least 1 meter above the gunwale
- ✓ 1 meter apart; lowest light at least 2 meters above the gunwaleCorrect
- C. 1 meter apart; lowest light at least 4 meters above the hull
- D. 2 meters apart; lowest light at least 2 meters above the gunwale
Why B is correct
33 CFR §84.02(i)(ii) specifies that on a vessel of less than 20 meters in length, lights carried in a vertical line shall be spaced not less than 1 meter apart, and the lowest of these lights shall, except where a towing light is required, be placed at a height of not less than 2 meters above the gunwale. The 4-meter requirement in option C applies to vessels of 20 meters or more per §84.02(i)(i).
Cited:33 CFR §84.02