It shall be unlawful for any person to erect any structure, any part of which penetrates into or through any licensed airport's or United States government or military air facility's clear zone, approach zone, imaginary surface, obstruction clearance surface, obstruction clearance zone, or surface or zone as described in regulations of the Department of Aviation or the Federal Aviation Administration, without securing a permit for its erection from the Board. This section shall not apply to any structure to be erected in a county, city or town which has an ordinance regulating the height of such structures to prevent the penetration of zones and surfaces provided for in Federal Aviation Regulation Part 77 and Rule 19 of the Department of Aviation.
For the purpose of this section, "structure" shall mean any object, including a mobile object, constructed or erected by man, including but not limited to buildings, towers, cranes, smokestacks, earth formations, overhead transmission lines, flag poles, and ship masts.
Va. Code § 5.1-25.1