| 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 | DF | .~ Having hydrofoil {4} |
| 280 | ![]() | .~.~ Having means to tilt or reposition foil or foil adjunct {2} |
| 281 | DF | .~.~.~> Steerable foil |
| 282 | DF | .~.~.~> Having means to move foil to a retracted nonuse position |