diff --git a/Airbus/Airbus/DrawningObjectPlane.cs b/Airbus/Airbus/DrawningObjectPlane.cs
index ba3dab5..9552909 100644
--- a/Airbus/Airbus/DrawningObjectPlane.cs
+++ b/Airbus/Airbus/DrawningObjectPlane.cs
@@ -61,6 +61,12 @@ namespace Airbus
                 return false;
             }
 
+            if ((plane is EntityAirbus) && !(otherPlanePlane is EntityAirbus)
+                || !(plane is EntityAirbus) && (otherPlanePlane is EntityAirbus))
+            {
+                return false;
+            }
+
             if (plane is EntityAirbus airbus && otherPlanePlane is EntityAirbus otherAirbus)
             {
                 if (airbus.DopColor != otherAirbus.DopColor)
diff --git a/Airbus/Airbus/SetPlanesGeneric.cs b/Airbus/Airbus/SetPlanesGeneric.cs
index e3069c5..5af02f7 100644
--- a/Airbus/Airbus/SetPlanesGeneric.cs
+++ b/Airbus/Airbus/SetPlanesGeneric.cs
@@ -35,8 +35,7 @@ namespace Airbus
         public int Insert(T plane)
         {
             if (_places.Count == _maxCount) throw new StorageOverflowException(_maxCount);
-            _places.Insert(0, plane);
-            return 0;
+            return Insert(plane, 0);
         }
         /// <summary>
         /// Добавление объекта в набор на конкретную позицию