---
kind: "section"
citation: "14 C.F.R. § 31.51"
title: "14"
number: "31.51"
heading: "Ballast."
url: "https://uscodex.org/cfr/14/31.51"
---

# §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.


## Notes

### Authority

Authority: 49 U.S.C. 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted.