(a) No person may operate any moored balloon, kite, unmanned rocket, or
unmanned free balloon in a manner that creates a hazard to other persons,
or their property.
(b) No person operating any moored balloon, kite, unmanned rocket, or
unmanned free balloon may allow an object to be dropped therefrom, if such
action creates a hazard to other persons or their property. (Sec.
6(c), Department of Transportation Act (49 U.S.C. 1655(c)))