The rag for the trade - Journal of Commerce "Fairplay" has a huge Marine database on-line - http://www.fairplay-publications.co.uk/ "Seapages" has, among other things the ISSA catalog on-line _ http://www.seapages.com/ Search for Ship particulars - http://gold.itu.ch/cgi-bin/htsh/mars/ship_search.sh "The Weather Information Superhighway" is extensive - http://www.nws.fsu.edu/wxhwy.html The Aerospace Navigator to navigate beyond - http://www.ultranet.com/~adjm/aero/aeronav.html U.S. Coast Guard ship search  -  http://psix.uscg.mil/default.asp