Aft birth Extension
I cut a board to extend the aft so that it is in line with the edge of the nav station. The board slides under the aft. mattress when not in use. It also has a folding leg to support it when it is pulled out. If you want the full width of the mattress you have to remove the steps when in use. We also made a small mattress the size of the board to fit with the aft mattress.