public static void Main(string[] args)
{
var atc = new YyyControl();
var aircraft = new Airbus321("RN1", atc);
var aircraft2 = new Embraer190("RN2", atc);
var aircraft3 = new Boeing737("RN3", atc);
Console.WriteLine();
aircraft.Altitude += 100;
aircraft2.Altitude += 200;
Console.ReadKey();
}
static void Main(string[] args)
{
var flight1 = new Airbus321("AC159");
var flight2 = new Boeing737200("WS203");
flight2.Acknowledges(flight1);
flight1.Acknowledges(flight2);
var flight3 = new Embraer190("AC602");
flight3.Acknowledges(flight1);
flight1.Acknowledges(flight3);
flight3.Acknowledges(flight2);
flight2.Acknowledges(flight3);
}