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Reports by Author

John M. O'Hara


Click on the titles below to find US government-authored or -collected reports written by John M. O'Hara

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A Simulation Study of the Navigability of the Main Ship Channel in Mobile Harbor, MAR 1987
Authors:  John M. O'Hara; Snita D. D'Amico; NATIONAL MARITIME RESEARCH CENTER KINGS POINT NY COMPUTER AIDED OPERATIONS RESEARCH FACILITY
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.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 ...


An Investigation of the Relative Safety of Alternative Navigational System Designs for the New Sunshine Skyway Bridge: A CAORF (Computer Aided Operations Research Facility) Simulation SEP 85
Authors:  John M. O'Hara; William S. Brown; NATIONAL MARITIME RESEARCH CENTER KINGS POINT NY COMPUTER AIDED OPERATIONS RESEARCH FACILITY
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.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 ...


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