In the old times referred at as charts and publications. Due to the ongoing influence of electronics, paper publications are more and more replaced by Data. Data which of course Datema can supply. Through all means of modern communication, by cd rom or just the old fashioned way: on paper!!

As a strong sea-going nation we are proud on our hydrographic services. Highly accurate information you need for safe navigation through our coastal waters. Please contact for further information our product specialists Mr. Lukas Folkers (Delfzijl branche) or Marjolein de Jong (Rotterdam branche)

Our own publications. “Datemate” offers you the best value for money. Not fashionable but just the books you need and like to work with.

All well-known IMO publications under one roof. We keep them at stock and can supply them fast, because of our high turnover we can assure you the most recent editions.

Dutch rules and legislation for shipping

ITU publications required for GMDSS compliance

Whiterbys books and publications for shipping.

More and more publications are published on CD-Rom. Very convenient for use onboard ships, as it saves valuable space. Also these publications offers easy search functions etc.

Electronic charting is a special area of expertise of Datema. Datema supplies official charts from various sources and has developed several tools for handling electronic charts.