diff --git a/Airbus/Airbus/FormMapWithSetAirplane.cs b/Airbus/Airbus/FormMapWithSetAirplane.cs
index 29d1f23..4620bc1 100644
--- a/Airbus/Airbus/FormMapWithSetAirplane.cs
+++ b/Airbus/Airbus/FormMapWithSetAirplane.cs
@@ -69,7 +69,7 @@ namespace Airbus
             if (form.ShowDialog() == DialogResult.OK)
             {
                 DrawningObjectAirplane airplane = new(form.SelectedAirplane);
-                if (_mapAirplanesCollectionGeneric + airplane)
+                if (_mapAirplanesCollectionGeneric + airplane > -1)
                 {
                     MessageBox.Show("Объект добавлен");
                     pictureBox.Image = _mapAirplanesCollectionGeneric.ShowSet();
@@ -97,7 +97,7 @@ namespace Airbus
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-            if (_mapAirplanesCollectionGeneric - pos)
+            if (_mapAirplanesCollectionGeneric - pos != null )
             {
                 MessageBox.Show("Объект удален");
                 pictureBox.Image = _mapAirplanesCollectionGeneric.ShowSet();
diff --git a/Airbus/Airbus/MapWithSetAirplaneGeneric.cs b/Airbus/Airbus/MapWithSetAirplaneGeneric.cs
index 83fcfdf..a3e0d08 100644
--- a/Airbus/Airbus/MapWithSetAirplaneGeneric.cs
+++ b/Airbus/Airbus/MapWithSetAirplaneGeneric.cs
@@ -55,7 +55,7 @@ namespace Airbus
         /// <param name="map"></param>
         /// <param name="car"></param>
         /// <returns></returns>
-        public static bool operator +(MapWithSetAirplaneGeneric<T, U> map, T airplane)
+        public static int operator +(MapWithSetAirplaneGeneric<T, U> map, T airplane)
         {
             return map._setAirplane.Insert(airplane);
         }
@@ -65,7 +65,7 @@ namespace Airbus
         /// <param name="map"></param>
         /// <param name="position"></param>
         /// <returns></returns>
-        public static bool operator -(MapWithSetAirplaneGeneric<T, U> map, int
+        public static T operator -(MapWithSetAirplaneGeneric<T, U> map, int
        position)
         {
             return map._setAirplane.Remove(position);
diff --git a/Airbus/Airbus/SetAirplaneGeneric.cs b/Airbus/Airbus/SetAirplaneGeneric.cs
index 242bece..aac55f0 100644
--- a/Airbus/Airbus/SetAirplaneGeneric.cs
+++ b/Airbus/Airbus/SetAirplaneGeneric.cs
@@ -30,14 +30,14 @@ namespace Airbus
             return false;
         }
 
-        public bool Insert(T airplane)
+        public int Insert(T airplane)
         {
             return Insert(airplane, 0);
         }
 
-        public bool Insert(T airplane, int position)
+        public int Insert(T airplane, int position)
         {
-            if (position < 0 || position > _places.Length) return false;
+            if (position < 0 || position > _places.Length) return 0;
             if (_places[position] != null && CanInsert(position))
             {
                 for (int i = _places.Length - 1; i > position; --i)
@@ -50,17 +50,20 @@ namespace Airbus
                 }
             }
             _places[position] = airplane;
-            return true;
+            return 1;
         }
         /// <summary>
         /// Удаление объекта из набора с конкретной позиции
         /// </summary>
         /// <param name="position"></param>
         /// <returns></returns>
-        public bool Remove(int position)
+        public T Remove(int position)
         {
+            if (0 > position && position >= Count)
+                return null;
+            T delobj = _places[position];
             _places[position] = null;
-            return true;
+            return delobj;
         }
         /// <summary>
         /// Получение объекта из набора по позиции