USCG-MASTER100-L2.2
The sail and auxiliary sail endorsement
USCG-MASTER100-M2 · Raising and extending the ticket · USCG-MASTER100-M2-A Raising the tonnage limitation, and the sail and assistance towing endorsements.
A Master under 100 GRT is issued for **self-propelled** vessels. If you intend to command a sailing vessel commercially, you need the auxiliary sail endorsement — and the sail charter trade is a large part of why this credential exists at all.
AI-drafted catalogue content pending SME review. USCG requirements change; verify every figure against the National Maritime Center and the current CFR before relying on it for an application.