Description: This map service enables the ArcGIS Maritime Chart Service (MCS) capability through the ArcGIS Maritime server extension. This parent service does not portray any Electronic Navigational Chart (ENC) data. To use AHO ENC Online, click "Supported Extensions: Maritime Chart Service" link at the bottom of the REST Services Directory page. Use either the MapServer or WMSServer "Child Resources" for the AHO ENC Online service.