航海英语 航海英语 18-ME-tal-leaving the dock.pdfVIP

Unit 18 LEAVING THE DOCK Basic terms - Dock Pilot - single up - River Pilot - make fast - tug-boat - slack away - transverse thrust - heave away - effect of the screw - let go - singling up - cast off - mooring ropes - haul in / heave in - skipper - hold on - handling of ships - heave on - buoys - keep tightened - dolphins - stemming the tide - slack water - dockside Deck fittings bitts bollard bollard cleat roller fairleads sheaves and cleats Unmooring / unberthing /undocking manoeuvre Aft starboard mooring Unberthing Water jets in undocking Unmooring In the docks the Dock Pilot is concerned with avoiding other shipping and making allowance for the transverse thrust of the screw and wind. The River Pilot must think of tides and currents as well, and his local knowledge of these is of great importance. Before a Pilot (Dock or Sea Pilot) takes a ship through the basins he will want to know how she steers (all ships have different characteristics), the working of her engines, how much power she develops when going astern and her draught. A ship is taken out mainly by tugs, but she still needs to use her own engine power. Another factor to be considered is the effect of the screw (or propeller) on the direction of the ship. Some time before the Pilot comes aboard the ship, the Master or the Officer of the Watch (