Why aren’t more Ports producing their own Electronic Navigational Charts?

Electronic Navigational Charts (ENCs) are produced by national Hydrographic Offices (HOs) and distributed directly to users, via regional centres and via value added resellers. Naturally, the range of ENCs available includes the approaches to major ports and harbours, the harbours themselves and sometimes larger scale ENCs of individual berths. These ‘official’ ENCs contain data that […]