approach in slow speed and the anchor is let go while the ship is head way or stern way.the cable is laid out the engine is relieve stresses in the cable just before the vessel brings to. usually prefers to stop at the anchorage by going astern. when the propeller wash reaches the abeam of the bridge he uses that as that the ship is lost way.the engines are then kept going dead slow stern as the anchor is let go.engine are stopped immediatly and the vsl drift astern laying out her cable.