| 441 / | HD | BUOYS, RAFTS, AND AQUATIC DEVICES |
| 1 | DF | BUOY {6} |
| 21 | DF | .~ Having means to control attitude or position {3} |
| 23 | DF | .~.~ Tether {1} |
| 24 | ![]() | .~.~.~ Having playout means {3} |
| 25 | DF | .~.~.~.~> Having means to control playout |
| 26 | DF | .~.~.~.~> Reel for tether |
| 27 | DF | .~.~.~.~> Having seat for buoy |