A、maintain a strict watch on the barge from the towing vessel
B、fly a red flag from the towing vessel
C、open the tops of all empty tanks on the barge
D、take hourly soundings of any loaded tanks on the barge
更多“While underway and towing an unmanned tank barge you are required to（）.”相关的问题
A、at any time while underway B、while at anchor C、while alongside a vessel D、All of the above
A、All watertight doors which are in use while the vessel is underway shall be operated B、All lifeboat equipment shall be examined C、Fire pumps shall be started and all exterior outlets opened D、All of the above
A、A.Passengers are excluded from the pilothouse while underway B、B.Passengers are permitted in the pilothouse during daylight hours only C、C.Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch D、D.Passengers are permitted in the pilothouse when they are escorted by a ship's officer
A、A vessel transferring provisions while underway B、A pushing vessel and a vessel being pushed when connected in a composite unit C、A vessel servicing a navigation mark D、A vessel launching aircraft
A、A vessel transferring provisions while underway B、A pushing vessel and a vessel being pushed when connected in a composite unit C、A vessel servicing a navigation mark D、A vessel launching aircraft
A、During an engine speed change B、During a navigational course change C、Unless the helm is in the“hand”mode D、All of the above
A、A vessel picking up a navigation mark B、A vessel transferring cargo while underway C、A vessel whose anchor is fouled D、A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
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