Towing & Ship-Assist · Lights - Pushing
Under the Inland Rules, a power-driven vessel pushing ahead or towing alongside (not a composite unit) exhibits, in addition to sidelights:
- ATwo masthead lights in a vertical line and two towing lights
- BTwo masthead lights in a vertical line and, instead of a sternlight, two yellow towing lights in a vertical line✓ Correct
- CThree all-round red lights
- DA single white all-round light only
Explanation
Under Inland Rule 24(c), a vessel pushing ahead or towing alongside shows two masthead lights in a vertical line, sidelights, and — instead of a sternlight — two yellow towing lights in a vertical line. (Under International/COLREGS Rule 24(c) the same vessel instead shows a white sternlight, not towing lights. A composite unit is lit as a single power-driven vessel.)
Authority: Inland Navigation Rules, Rule 24(c)
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