Rules of the Road · Inland Lights Differences
Under the Inland Rules, how many masthead lights must a power-driven vessel of 50 meters or more in length exhibit?
- AOne masthead light only
- BTwo masthead lights in a vertical line
- CTwo masthead lights — the forward one lower than the after one✓ Correct
- DThree masthead lights
Explanation
Inland Rule 23(a)(ii) requires a power-driven vessel of 50 meters or more in length to exhibit two masthead lights, with the forward masthead light lower than the after masthead light. This is the same arrangement as 72 COLREGS Rule 23(a)(ii).
Authority: Inland Rule 23(a)(ii)
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