Amateur Rocket Law and Legal Definition

According to 14 CFR 1.1 [Title 14: Aeronautics and Space: Chapter I -- Federal Aviation Administration, Department of Transportation], amateur rocket means an unmanned rocket that:

(1) Is propelled by a motor or motors having a combined total impulse of 889,600 Newton-seconds (200,000 pound-seconds) or less; and

(2) Cannot reach an altitude greater than 150 kilometers (93.2 statute miles) above the earth's surface.