Gets the total number of aircraft currently being tracked.

Gets a value indicating that the aircraft list is tracking aircraft.

Gets or sets the listener that will pick up messages from a source of data and translate them into BaseStationMessages for us.

Gets or sets the object that's keeping polar plots for us. Can be null if the listener that's feeding this list doesn't support polar plots.

Gets a value indicating where the aircraft messages are coming from.

Gets or sets the object that will look up information about aircraft from the standing data files.