diff --git a/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplane.cs b/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplane.cs
new file mode 100644
index 0000000..0548e44
--- /dev/null
+++ b/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplane.cs
@@ -0,0 +1,41 @@
+namespace ProjectAirplaneWithRadar
+{
+    /// <summary>
+    /// Класс-сущность "Самолет"
+    /// </summary>
+    public class EntityAirplane
+    {
+        /// <summary>
+        /// Скорость
+        /// </summary>
+        public int Speed { get; private set; }
+
+        /// <summary>
+        /// Вес
+        /// </summary>
+        public double Weight { get; private set; }
+
+        /// <summary>
+        /// Основной цвет
+        /// </summary>
+        public Color BodyColor { get; private set; }
+
+        /// <summary>
+        /// Шаг перемещения автомобиля
+        /// </summary>
+        public double Step => Speed * 100 / Weight;
+
+        /// <summary>
+        /// Конструктор сущности
+        /// </summary>
+        /// <param name="speed">Скорость</param>
+        /// <param name="weight">Вес</param>
+        /// <param name="bodyColor">Основной цвет</param>
+        public EntityAirplane(int speed, double weight, Color bodyColor)
+        {
+            Speed = speed;
+            Weight = weight;
+            BodyColor = bodyColor;
+        }
+    }
+}
diff --git a/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplaneWithRadar.cs b/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplaneWithRadar.cs
new file mode 100644
index 0000000..e4c884e
--- /dev/null
+++ b/AirplaneWithRadar/ProjectAirplaneWithRadar/EntityAirplaneWithRadar.cs
@@ -0,0 +1,39 @@
+namespace ProjectAirplaneWithRadar
+{
+    /// <summary>
+    /// Класс-сущность "Самолет с радаром"
+    /// </summary>
+    public class EntityAirplaneWithRadar : EntityAirplane
+    {
+        /// <summary>
+        /// Дополнительный цвет (для опциональных элементов)
+        /// </summary>
+        public Color AdditionalColor { get; private set; }
+
+        /// <summary>
+        /// Признак (опция) наличия шасси
+        /// </summary>
+        public bool Wheels { get; private set; }
+
+        /// <summary>
+        /// Признак (опция) наличия радар
+        /// </summary>
+        public bool Radar { get; private set; }
+
+        /// <summary>
+        /// Инициализация полей объекта-класса самолета с радаром
+        /// </summary>
+        /// <param name="speed">Скорость</param>
+        /// <param name="weight">Вес</param>
+        /// <param name="bodyColor">Основной цвет</param>
+        /// <param name="additionalColor">Дополнительный цвет</param>
+        /// <param name="wheels">Шасси</param>
+        /// <param name="radar">Радар</param>
+        public EntityAirplaneWithRadar(int speed, double weight, Color bodyColor, Color additionalColor, bool wheels, bool radar) : base(speed, weight, bodyColor)
+        {
+            AdditionalColor = additionalColor;
+            Wheels = wheels;
+            Radar = radar;
+        }
+    }
+}