The numbers Betty and I gave are the call signs.

On sailwx.info, you can search by call sign:

http://www.sailwx.info/shiptrack/index.html


The numbers Ralph gave are the Maritime Mobile Service Identities (MMSI).

You can search by MMSI on Marinetraffic.com:

http://www.marinetraffic.com/ais/datasheet.aspx?datasource=V_SHIP&level1=220

Cindy
TravelingTexasDuo.com

"In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln