101.22—Definitions.
The following definitions apply to this subpart:
(b)
Class 2—High-Power Rocket means an amateur rocket other than a model rocket that is propelled by a motor or motors having a combined total impulse of 40,960 Newton-seconds (9,208 pound-seconds) or less.
(c)
Class 3—Advanced High-Power Rocket means an amateur rocket other than a model rocket or high-power rocket.