| 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} |
| 284 | DF | .~ Movably mounted hull portion or hull adjunct {1} |
| 285 | DF | .~.~ Trim tab or hull plate {1} |
| 286 | | .~.~.~ With fluid motor {1} |
| 287 | DF | .~.~.~.~> Expanding bladder |