public void SellAircraft(ITransportAircraft transportAircraft) { AircraftManagement.SellAircraft((ICollection <ITransportAircraft>)TransportAircraft, transportAircraft); }
public void SellAircraft(ICollection <ITransportAircraft> transportAircraftCollection, ITransportAircraft transportAircraft) { transportAircraftCollection.Remove(transportAircraft); }