Commonwealth Consolidated Regulations Commonwealth Consolidated RegulationsThis Subpart applies to the operation of model aircraft weighing more than 250 g (except operation mentioned in paragraph 101.005(3)(a) or (b)).
Note 1: For model aircraft , see regulation 101.023.
Note 2: This Subpart does not apply to:
(a) a control - line model aircraft (that is, a model aircraft that is constrained to fly in a circle, and is controlled in attitude and altitude, by means of inextensible wires attached to a handle held by the person operating the model); or
(b) a model aircraft flown indoors.
See subregulation 101.005(3).