US PATENT SUBCLASS 244 / 94
.~.~ Ballast storage and release

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
93  DF  .~ Stabilizing weights {2}
94.~.~ Ballast storage and release

DEFINITION

Classification: 244/94

(under subclass 93) Arrangements for the storage and release of heavy material on aircraft for controlling relative buoyancy or stability.