114 / | HD | SHIPS |
271 | DF | HULL OR HULL ADJUNCT EMPLOYING FLUID DYNAMIC FORCES TO DERIVE A LIFT OR ALTER TRIM, E.G., PLANING HULLS {7} |
274 | .~ Having hydrofoil {4} | |
275 | DF | .~.~> With control means responsive to sensed condition {2} |
278 | DF | .~.~> Ported strut or foil |
279 | DF | .~.~> With shock damping means |
280 | DF | .~.~> Having means to tilt or reposition foil or foil adjunct {2} |