ECDIS-L1.2
ENC data: S-57, encryption, scale and quality
ECDIS-M1 · The ECDIS framework and chart data · ECDIS-M1-A Where the certificate fits, what an ENC is, and how presentation and standards are changing.
An ENC is a database, not a picture. Knowing its **navigational purpose**, update status and **CATZOC** tells you how far to trust what you see.
Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. The ECDIS certificate required by the MCA can only be obtained by completing an MCA-approved course, taught on simulators, at an approved training provider. AI-drafted content pending subject-matter-expert review.