SV-YR-L1.3
MIN 642: status, what governs, and how to check
SV-YR-M1 · The landscape after MSN 1859 · SV-YR-M1-A What Y certificates still do, how the SV structure and its yacht restriction work, and the status of MIN 642.
MIN 642 is where the yacht restricted routes and all the Y conversions live. It carries a **stated expiry of 1 December 2025**. At the time of writing (September 2026) gov.uk still lists it, not withdrawn, with no replacement published. Here is what that means for you.
Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. Conversions and CoC issue are decided by the MCA on application, and the modules must be completed with an MCA-approved training provider. AI-drafted content pending subject-matter-expert review.