Mates are required to be trained and to receive certification. The MCA requirement is for Yacht Master Offshore. For ships sailing under the American flag, mates may have to receive certification from the U.S. Coastguard as able seaman.
The Yacht Master Offshore training program typically includes five to six days of training onshore, four to six days of training at sea on a yacht, radio communications, personal survival training, fire prevention, first aid and CPR, and personal and social responsibility. Before you can even take the course and the subsequent exam for certification, you must meet these eligibility requirements: