diff --git a/Bus/Bus/DrawingObjectBus.cs b/Bus/Bus/DrawingObjectBus.cs
index ae73512..0cdc7b7 100644
--- a/Bus/Bus/DrawingObjectBus.cs
+++ b/Bus/Bus/DrawingObjectBus.cs
@@ -47,25 +47,25 @@ namespace Bus
                 return false;
             }
             var otherBus = other as DrawingObjectBus;
-            if (otherBus == null)
+            var entity = _bus.Bus;
+            var otherEntity = otherBus._bus.Bus;
+
+            if (entity.GetType() != otherEntity.GetType() ||
+                entity.Speed != otherEntity.Speed ||
+                entity.Weight != otherEntity.Weight ||
+                entity.BodyColor != otherEntity.BodyColor)
             {
                 return false;
             }
-            var bus = _bus.Bus;
-            var otherBusBus = otherBus._bus.Bus;
-            if (bus.Speed != otherBusBus.Speed)
+
+            if (entity is EntitySportBus entitySportBus &&
+                otherEntity is EntitySportBus otherEntitySportBus && (
+                entitySportBus.Wing != otherEntitySportBus.Wing ||
+                entitySportBus.DopColor != otherEntitySportBus.DopColor ||
+                entitySportBus.Sportline != otherEntitySportBus.Sportline))
             {
                 return false;
             }
-            if (bus.Weight != otherBusBus.Weight)
-            {
-                return false;
-            }
-            if (bus.BodyColor != otherBusBus.BodyColor)
-            {
-                return false;
-            }
-            // TODO доделать проверки в случае продвинутого объекта
             return true;
         }
     }
diff --git a/Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs b/Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs
index 635c3f8..c709b6e 100644
--- a/Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs
+++ b/Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Bus
 {
     internal class MapWithSetDoubleDeckerBusGeneric<T, U>
-        where T : class, IDrawingObject
+        where T : class, IDrawingObject, IEquatable<T>
         where U : AbstractMap
     {
         private readonly int _pictureWidth;
diff --git a/Bus/Bus/SetDoubleDeckerBusGeneric.cs b/Bus/Bus/SetDoubleDeckerBusGeneric.cs
index e34e350..dfefa76 100644
--- a/Bus/Bus/SetDoubleDeckerBusGeneric.cs
+++ b/Bus/Bus/SetDoubleDeckerBusGeneric.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Bus
 {
     internal class SetDoubleDeckerBusGeneric<T>
-        where T : class
+        where T : class, IEquatable<T>
     {
         private readonly List<T> _places;
         public int Count => _places.Count;
@@ -33,18 +33,15 @@ namespace Bus
 
         public int Insert(T bus, int position)
         {
-            if (position > _maxCount && position < 0)
+
+            if (_places.Contains(bus))
+                throw new ArgumentException($"Объект {bus} уже есть в наборе");
+            if (Count == _maxCount)
+                throw new StorageOverflowException(_maxCount);
+            if (!isCorrectPosition(position))
             {
                 return -1;
             }
-            if (_places.Contains(bus))
-            {
-                throw new ArgumentException($"Объект {bus} уже есть в наборе");
-            }
-            if (Count == _maxCount)
-            {
-                throw new StorageOverflowException(_maxCount);
-            }
             _places.Insert(position, bus);
             return position;
         }