Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 31.51 Ballast.
Each captive gas balloon must have a means for the safe storage and controlled release of ballast. The ballast must consist of material that, if released during flight, is not hazardous to persons on the ground.
This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.