A significant milestone was passed recently when Alewijnse Marine Systems recorded the 1000th installation of an AIS (automatic identification system) transponder on board an inland vessel based in the Netherlands. A new regulation has recently been introduced that requires inland commercial vessels to have AIS installed before 2013, but Alewijnse is working with operators in the sector to ensure that they are fully compliant well ahead of the deadline. Thanks to the introduction of its Explorer AIS system at the start of 2011…