Multiple remote facilities If practicable and necessary, the 3 remote air traffic control towers installed at nonprimary airports pursuant to paragraph (1)(B) may co-locate remote facilities to assess the benefits and efficiencies of consolidating such facilities. (d) Asset classification A remote air traffic control tower, including ancillary equipment, installed with Government funds pursuant to this section shall be considered to be an air navigation facility. (e) Safety risk management panel (1) Safety risk management panel meeting Prior to the operational use of a remote air traffic control tower, the Secretary shall convene a safety risk management panel for the tower to address any safety issues with respect to the tower. (2) Safety risk management panel best practices The safety risk management panels shall be created and utilized in a manner similar to that of safety risk management panels previously established for remote air traffic control towers, taking into account best practices that have been developed. (f) Definitions (1) In general In this section, the following definitions apply: (A) Air navigation facility The term air navigation facility has the meaning given that term in section 40102(a) of title 49, United States Code. (B) Remote air traffic control tower The term remote air traffic control tower means a remotely operated air navigation facility, including all necessary system components, that provides the functions and capabilities of an air traffic control tower. (2) Applicability of other definitions In this section, the terms nonhub airport , primary airport , public-use airport , and reliever airport have the meanings given such terms in section 47102 of title 49, United States Code. (g) Sunset The pilot program shall terminate on the day that is 5 years after the date of enactment of this Act.