Rocky Mountain Metropolitan (RMMA) is a public-use airport located near Broomfield, Colorado, United States and is owned and operated by JeffersonvCounty, Colorado. The airport covers 633 acres and has three runways. Formerly known as Jefferson County Airport, the airport is home to a variety of businesses including flight schools, avionics, repair and maintenance shops, charter services, FBOs and restaurants. The airport is has a large general aviation population including a fair amount of corporate traffic and several flight schools and is capable of landing planes as large as a B-737 or Airbus 320.