The Port of Mobile is one of the major US coal ports. Transit into and out of the port by large vessels is made possible by an approximately 30-nm-long ship channel extending from the Gulf of Mexico, through Mobile Bay, and into the Mobile River (see Figure 1). At present, the controlling channel depth is 40 ft and the channel bottom width is 400 ft throughout most of the channel's ...
The relative safety afforded the new Sunshine Skyway Bridge by three alternative navigational system designs was studied. A 'navigational system design' was a specific configuration of channels, aids to navigation, and shipboard navigation aids in the vicinity of the bridge. The first design included a relocation and redesign of the new bridge when compared with the existing bridge. The second design included the availability of a precision electronic aid to ...