Does DNC® meet international ECDIS standards?
Yes, the DNC® meets the functionality and data content requirements of the International Maritime Organization (IMO) and International Hydrographic Organization (IHO) Performance Standards for ECDIS (Electronic Chart Display and Information Systems). DNC® is not produced in the exchange format referenced in the IMO Safety of Life at Sea (SOLAS) convention, i.e., IHO S-57 format. However, the IMO Legal Committee specified that standards and specifications referred to in footnotes, as is the IHO S-57 format standard, are not regarded as mandatory instruments for treaty purposes (LEG 80/10/4, dated 13 August 1999). However, nations implementing an IMO convention are obliged to establish national standards not inferior, or at least equivalent to, those referenced in the IMO convention. ECDIS-N not only incorporates the IMO/IHO Performance Standard; it actually extends it beyond the required functionality. Also, the Vector Product Format (VPF) of DNC® offers more robustness than S-57 data,
