C. is correct. The other answers all call for a stern light. The barge
being pushed would not have a sternlight, that would be found on the stern
of the pushing vessel.

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INLAND ONLY Which lights are required for a barge,
not part of a compostite unit, being pushed ahead?

A. Sidelights and a sternlight
B. Sidelights, a special flashing light, and a sternlight.
C. Sidlights and a speical flashing light.
D. Sidelights, a towing light, and a sternlight.