Apparatus is described for mooring a floating vessel (10) particularly
suited to a tanker transporting liquid natural gas which needs to be moored in
an offshore environment. The apparatus comprises a semi-submersible floating dock
(1) a single point mooring system (5) and at least one rigid arm
(3). The arm (3) is pivotally attached to one of the dock (1)
and the single point mooring system (5). The arm (3) is suspended
from the other of the dock (1) and the single point mooring system (5)
by at least one tension member (19).
