A、a vessel towing by pushing ahead
B、a power-driven vessel，not towing
C、a barge being pushed ahead
D、either answer A or answer B
更多“A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of（）.”相关的问题
A、vessel towing astern B、barge pushed ahead C、vessel towing astern only when the length of her tow exceeds 200 meters D、this signal does not exist in international waters
A、start towing by pushing ahead B、abandon the towing vessel C、retrieve the tow bridle D、relieve strain on the retrieving line
A、A.directly astern and pushing the tow B、B.towing on a hawser C、C.towing alongside and parallel to the vessel it is towing D、D.towing on the hip
A、only the lights for a vessel towing B、only the lights for a vessel restricted in her ability to maneuver C、the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver D、the lights for a towing vessel and the lights for a vessel not under command
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in her ability to maneuver C、sidelights，stern light，and towing light D、All of the above
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights，sternlight and towing light D、All of the above
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