BlueChart g2 Vision - VPC020R - Brisbane SW - Geraldton - microSDTM/SDTM See your vessel"s precise, on-chart position in relation to navaids, coastal features and restricted areas with premium features found in this detailed marine mapping data. Includes all of the features of our BlueChart g2 product, plus 3-D perspective above and below the waterline, Auto Guidance, high-resolution imagery, and aerial photos of ports, harbors, marinas and landmarks. Coverage: The Southern coast of Australia from Geraldton to Brisbane. Also includes detailed coverage of Perth, the Great Australian Bight, Adelaide, Melbourne, Tasmania, Sydney, and Norfolk Island.