The Basic Seamanship Course provides cadets an opportunity to build on seamanship skills learned at the corps and to participate in advanced seamanship activities. Activities include rope work, small craft operation (whaler) training, a day sail on a Sea Cadet Training Vessel, and naval communication. Cadets applying for this course should be 13–14 years of age, and have successfully completed Phase Two.
The Boatswain’s Mate Course provides cadets an opportunity to participate in advanced seamanship training and obtain the knowledge and skills required to act as Boatswain’s Mate onboard a Sea Cadet Training Vessel (SCTV) within the Sea Cadet Program. Activities include Activities include rope work, marine navigation, ship’s operations and damage control. Cadets applying for this course should be 15–16 years of age, have successfully completed the Ship’s Boat Operator Course (or equivalent) and Phase Four.