Totem Plus, manufacturer of Automation and Navigation systems, announced that Totem ECDIS is now compatible with the ADMIRALTY Information Overlay (AIO). Type approved by DNV, Totem ECDIS provides real-world innovation to the customer. It was the worldâs first ECDIS to provide Collision Avoidance in the form of Decision Support Tools; it initiated the âShift Changeâ procedure to avoid ECDIS-assisted accidents; and is now also compatible with AIO, provided by the United Kingdom Hydrographic Office (UKHO).