static void Main(string[] args)
{
Aircompany airCompany = new Aircompany();
Airliner carrier = new Airliner() {Name="a1", range=20000, fuelConsumption=100, capacity=200};
airCompany.Add(carrier);
Freighter freighter = new Freighter() { Name = "a2", range = 1000, fuelConsumption = 80, carrying = 5000 };
airCompany.Add(freighter);
CombiAirplane combiAirplane = new CombiAirplane() { Name = "a3", range = 800, fuelConsumption = 70, carrying = 1000, capacity = 70 };
airCompany.Add(combiAirplane);
Console.WriteLine(airCompany.maxCapacity);
ICollection<IAirplane> find = airCompany.Search(75,110).ToList<IAirplane>();
foreach (var i in find) i.ShowElement();
}
