2004 OfficialAMA National Model Aircraft Safety Code -- Effective January 1, 2004
I understand that my failure to comply with the Safety Code may endanger my insurance coverage.
7) I will not operate models with pyrotechnics (any device that explodes, burns, or propels a projectile of any kind) including, but not limited to, rockets, explosive bombs dropped from
models, smoke bombs, all explosive gases (such as hydrogen filled balloons), ground mounted devices launching a projectile.
Copied off document #105 on the AMA website.