Abstract: A training hydrofoil system for connection with a watercraft comprises a first wing including at least one adjustable surface and a second wing including at least one adjustable portion. The system further includes a fuselage extending longitudinally and the first and second wing connected to the fuselage and extending latitudinally relative to the fuselage, the fuselage including an attachment feature for attaching to the watercraft. The system further includes an electronic control unit capable of actuating at least one of the adjustable surface and adjustable portion to modify a course of the watercraft, and a power source. Both the power source and the electronic control unit are positioned in the fuselage.