The course was changed a few points westward in hope of closing on the far ship.

A further four ships were sunk by mines, a total of 18,068 tons.

This conversion was also not successful and no further ships were converted.

A further ten ships were ordered in June 2011.

It was intended that all further ships would be used commercially or sold.

A further four ships ordered to this design were cancelled.

During the 1860s, a further seven ships were added to the fleet.

During the post-war depression a further 30 ships were laid up.

A further five ships would be acquired at a later date.

Two further ships of the class have been built.