Section 577.800 - Unlawful use of unmanned aircraft over open-air facility, offense of - permissible acts - violation, penalty - signage1. A person commits the offense of unlawful use of unmanned aircraft over an open-air facility if he or she purposely: (1) Operates an unmanned aircraft within a vertical distance of four hundred feet from the ground and within the property line of an open-air facility; or(2) Uses an unmanned aircraft with the purpose of delivering to a person within an open-air facility any object described in subdivision (1) or (2) of subsection 4 of this section.2. For purposes of this section, "open-air facility" shall mean any sports, theater, music, performing arts, or other entertainment facility with a capacity of five thousand people or more and not completely enclosed by a roof or other structure.3. The provisions of this section shall not prohibit the operation of an unmanned aircraft by: (1) An employee of an open-air facility at the direction of the president or chief executive officer of the open-air facility;(2) A person who has written consent from the president or chief executive officer of the open-air facility;(3) An employee of a law enforcement agency, fire department, or emergency medical service in the exercise of official duties;(4) A government official or employee in the exercise of official duties;(5) A public utility or a rural electric cooperative if:(a) The unmanned aircraft is used for the purpose of inspecting, repairing, or maintaining utility transmission or distribution lines or other utility equipment or infrastructure;(b) The utility or cooperative notifies the open-air facility before flying the unmanned aircraft, except during an emergency; and(c) The person operating the unmanned aircraft does not physically enter the prohibited space without an escort provided by the open-air facility; or(6) An employee of a railroad in the exercise of official duties on any land owned or operated by a railroad corporation regulated by the Federal Railroad Administration.4. The offense of unlawful use of unmanned aircraft over an open-air facility shall be punishable as an* infraction unless the person uses an unmanned aircraft for: (1) Delivering a gun, knife, weapon, or other article that may be used in such manner to endanger the life of an employee or guest at an open-air facility, in which case the offense is a class B felony; or(2) Delivering a controlled substance, as that term is defined under section 195.010, in which case the offense is a class D felony.5. Each open-air facility shall post a sign warning of the provisions of this section. The sign shall be at least eleven inches by fourteen inches and posted in a conspicuous place.Added by 2020 Mo. Laws, HB 1963,s A, eff. 8/28/2020.