partial void DeleteTravel_Class_Capacity(Travel_Class_Capacity instance);
 partial void UpdateTravel_Class_Capacity(Travel_Class_Capacity instance);
		private void detach_Travel_Class_Capacities(Travel_Class_Capacity entity)
		{
			this.SendPropertyChanging();
			entity.Aircraft_Type = null;
		}
 partial void InsertTravel_Class_Capacity(Travel_Class_Capacity instance);
		private void attach_Travel_Class_Capacities(Travel_Class_Capacity entity)
		{
			this.SendPropertyChanging();
			entity.Travel_Class = this;
		}