14 C.F.R. § 101.22 Special provisions for large model rockets.
Title 14 - Aeronautics and Space
Persons operating model rockets that use not more than 125 grams of propellant; that are made of paper, wood, or breakable plastic; that contain no substantial metal parts, and that weigh not more than 1,500 grams, including the propellant, need not comply with §101.23 (b), (c), (g), and (h), provided: (a) That person complies with all provisions of §101.25; and (b) The operation is not conducted within 5 miles of an airport runway or other landing area unless the information required in §101.25 is also provided to the manager of that airport. [Amdt. 101–6, 59 FR 50393, Oct. 3, 1994]
Title 14: Aeronautics and Space
PART 101—MOORED BALLOONS, KITES, UNMANNED ROCKETS AND UNMANNED FREE BALLOONS
Subpart C—Unmanned Rockets
§ 101.22 Special provisions for large model rockets.