; and (6) when flown within 5 miles of an airport, the operator of the aircraft provides the airport operator and the airport air traffic control tower (when an air traffic facility is located at the airport) with prior notice of the operation (model aircraft operators flying from a permanent location within 5 miles of an airport should establish a mutually agreed upon operating procedure with the airport operator and the airport air traffic control tower (when an air traffic facility is located at the airport)). (b) Commercial operation for instructional or educational purposes A flight of an unmanned aircraft shall be treated as a flight of a model aircraft for purposes of subsection (a) (regardless of any compensation, reimbursement, or other consideration exchanged or incidental economic benefit gained in the course of planning, operating, or supervising the flight), if the flight is— (1) conducted for instructional or educational purposes; and (2) operated or supervised by a member of a community-based organization recognized pursuant to subsection (e). (c) Statutory construction Nothing in this section may be construed to limit the authority of the Administrator to pursue enforcement action against persons operating model aircraft who endanger the safety of the national airspace system. (d) Community-Based organization defined In this section, the term community-based organization means an entity that— (1) is described in section 501(c)(3) of the Internal Revenue Code of 1986; (2) is exempt from tax under section 501(a) of the Internal Revenue Code of 1986; (3) the mission of which is demonstrably the furtherance of model aviation; (4) provides a comprehensive set of safety guidelines for all aspects of model aviation addressing the assembly and operation of model aircraft and that emphasize safe aeromodeling operations within the national airspace system and the protection and safety of individuals and property on the ground