The Inland Electronic Navigational Chart (IENC) program has relied heavily on its many partners over the years for reliable feedback on the IENC products.The IENC program encourages useage of the following downloadable products for electronic charting systems, GIS mapping applications, programming envirnments and web-base clients. Please do not hesitate to contact the IENC program if you have any questions or comments.

Users of these IENCs should be aware that some features and attribute information could have significant inaccuracies due to changing waterway conditions, inaccurate source data, or approximations introduced during chart compilation. Caution is urged in use of these IENCs or derived products for navigation planning or operation, or any decisions pertaining to or affecting safety of vessel operation.

RSS (Really Simple Syndication) is an XML-based format for distributing and aggregating Web content (such as news headlines). Using RSS, Web content providers can easily create and disseminate feeds of data that include, for example, news links, headlines, and summaries. (source: opm.gov)

XML Catalog is for dynamic retrieval of IENC products - S-57, esri and KML. The XML catalog allows users to configure automatic data updates for software clients, query for product updates and is scaleable to accomodate future products.

IENC data have been transformed into shareable application services and offered as downloadable esri ArcMap services, Web Mapping Services (WMS) and KML services for Google products. These services are primarily for customer based web mapping applications.