~~~~~LL~ OFFICE OF RES EARCH AND DEVELOPMENT

This document is disseminated under the sponsorship of the Department of Transportation in the intere~: of informationexchange. The United States Government assumes no liability for its contents or use thereof. The United States Government does not endorse products or manufacturers. Trade or manufacturers ’ names appear herein solely because they are considered essential to the object of this report. The contents of this report reflect the views of the Coast Guard Research and Development Center, which is responsible for the facts and accuracy of data presented. This report does not constitute a standard, specification or regulation. ~)Y 44~t ~ ’4-~~~ ~-fDonald L. BIRKIMER, Ph.D., P.E