ClassNK Issues First Type Specific Training Course Approval for ECDIS Certification to FURUNO INS Training Center Singapore. ClassNK issued its first Type Specific Training Course approval for an ECDIS(Electronic Chart Display and Information System) Training Course offered by FURUNO INS Training Center Singapore. New requirements for the installation of ECDIS systems will be phased in from 1 July 2012, after which vessels will be required to navigate using ECDIS as their primary chart system.