Section 21.21 - Aircraft Operations: General(1) No person shall navigate any aircraft, land aircraft upon, fly aircraft from or conduct any aircraft operation on or from the Airport otherwise than in conformity with the then current Federal Aviation Administration, 702 CMR: Massachusetts Aeronautics Commission or 740 CMR 21.00.(2) The Executive Director shall have complete authority to deny the use of the Airport to any aircraft or pilot violating 740 CMR 21.00 of the Authority, Massachusetts Aeronautic Commission or Federal Aviation Administration, regardless of where such violations occur.