Maryland Transportation Section 5-416
§ 5-416.
  (a)   As provided in this section, a political subdivision of this State, whether acting alone or jointly with another political subdivision, may:
    (1)   Establish or operate any airport, airport facility, or air navigation facility; and
    (2)   For this purpose, use any suitable property owned or controlled by the political subdivision.
  (b)   An airport or facility may be established under this section:
    (1)   By a county, only within its boundaries or the boundaries of any other county with which it is acting jointly; and
    (2)   By Baltimore City or a municipal corporation, either within or without its boundaries.