ETO-GMDSS-L1.4

Duplication, shore-based and at-sea maintenance

ETO-GMDSS-M1 · GMDSS Framework · ETO-GMDSS-M1-B Maintenance Options

SOLAS IV/15 requires ships to maintain GMDSS availability by one of three methods — duplication, shore-based maintenance or at-sea maintenance capability — with A1/A2 vessels needing at least one method and A3/A4 vessels at least two.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. Not a substitute for MCA-approved HV, GMDSS radio maintenance or ENEM courses. AI-drafted content pending subject-matter-expert review.