5. The requirements of regulation 2 and regulation 4 do not apply to ships which are operated with bridge manning levels which include a helmsman and an officer of the watch:Provided that in such case—
(i)the helmsman is able to see the water surface at no more than two ship`s lengths ahead and has an unobstructed view to 60 degrees on each bow; and
(ii)the officer of the watch is able to obtain a 360 degree arc of visibility by horizontal movement within the navigation work area.