See also : Tracings :: Loose Leaf :: OMS :: ChartManager :: OceanXpress :: RegsManager :: MetManager :: AVManager :: News Service :: About Chartco
Kelvin Hughes's Navigational Data Management Service (NDMS) sends Notice to Mariners and Tracings to
a ship or office by email. It also functions as a management tool, and provides the vessel with an electronic
version of its inventory, updated every week.