diff --git a/src/blackgui/components/dbownmodelsetcomponent.cpp b/src/blackgui/components/dbownmodelsetcomponent.cpp
index 330371f29..e4b9dcbd1 100644
--- a/src/blackgui/components/dbownmodelsetcomponent.cpp
+++ b/src/blackgui/components/dbownmodelsetcomponent.cpp
@@ -11,6 +11,7 @@
 #include "blackgui/components/dbmappingcomponent.h"
 #include "blackgui/components/dbownmodelsetcomponent.h"
 #include "blackgui/components/dbownmodelsetformdialog.h"
+#include "blackgui/components/dbreducemodelduplicates.h"
 #include "blackgui/components/firstmodelsetdialog.h"
 #include "blackgui/components/copymodelsfromotherswiftversionsdialog.h"
 #include "blackgui/menus/aircraftmodelmenus.h"
@@ -18,6 +19,7 @@
 #include "blackgui/models/aircraftmodellistmodel.h"
 #include "blackgui/views/aircraftmodelview.h"
 #include "blackgui/views/viewbase.h"
+#include "blackgui/views/aircraftmodelstatisticsdialog.h"
 #include "blackmisc/simulation/aircraftmodelutils.h"
 #include "blackmisc/simulation/aircraftmodellist.h"
 #include "blackmisc/simulation/distributorlist.h"
@@ -81,7 +83,7 @@ namespace BlackGui
             connect(ui->pb_CreateNewSet, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
             connect(ui->pb_LoadExistingSet, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
             connect(ui->pb_SaveAsSetForSimulator, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
-            connect(ui->pb_ShowMatrix, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
+            connect(ui->pb_ShowStatistics, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
             connect(ui->pb_CopyFromAnotherSwift, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
             connect(ui->pb_FirstSet, &QPushButton::clicked, this, &CDbOwnModelSetComponent::buttonClicked);
             connect(ui->comp_SimulatorSelector, &CSimulatorSelector::changed, this, &CDbOwnModelSetComponent::setSimulator, Qt::QueuedConnection);
@@ -236,9 +238,9 @@ namespace BlackGui
                 return;
             }
 
-            if (sender == ui->pb_ShowMatrix)
+            if (sender == ui->pb_ShowStatistics)
             {
-                this->showAirlineAircraftMatrix();
+                this->showModelStatistics();
                 return;
             }
 
@@ -292,6 +294,27 @@ namespace BlackGui
             }
         }
 
+        void CDbOwnModelSetComponent::reduceModels()
+        {
+            if (!m_reduceModelsDialog)
+            {
+                m_reduceModelsDialog.reset(new CDbReduceModelDuplicates(this));
+            }
+
+            // CAircraftModelList models = this->getModelSet(); // saved set
+            CAircraftModelList models = ui->tvp_OwnModelSet->containerOrFilteredContainer();
+            const CSimulatorInfo simulator = this->getModelSetSimulator();
+            m_reduceModelsDialog->setModels(models, simulator);
+            QDialog::DialogCode ret = static_cast<QDialog::DialogCode>(m_reduceModelsDialog->exec());
+            if (ret != QDialog::Accepted) { return; }
+            const CAircraftModelList removeModels = m_reduceModelsDialog->getRemoveCandidates();
+            const CSimulatorInfo removeSimulator  = m_reduceModelsDialog->getSimulator();
+            if (removeModels.isEmpty()) { return; }
+            const QSet<int> keys = removeModels.toDbKeySet();
+            models.removeObjectsWithKeys(keys);
+            this->setModelSet(models, removeSimulator);
+        }
+
         void CDbOwnModelSetComponent::viewModelChanged()
         {
             const bool hasData = ui->tvp_OwnModelSet->rowCount() > 0;
@@ -349,20 +372,20 @@ namespace BlackGui
 
         void CDbOwnModelSetComponent::firstSet()
         {
-            if (!m_firstModelSet)
+            if (!m_firstModelSetDialog)
             {
-                m_firstModelSet.reset(new CFirstModelSetDialog(this));
+                m_firstModelSetDialog.reset(new CFirstModelSetDialog(this));
             }
-            m_firstModelSet->show();
+            m_firstModelSetDialog->show();
         }
 
         void CDbOwnModelSetComponent::copyFromAnotherSwift()
         {
-            if (!m_copyFromAnotherSwift)
+            if (!m_copyFromAnotherSwiftDialog)
             {
-                m_copyFromAnotherSwift.reset(new CCopyModelsFromOtherSwiftVersionsDialog(this));
+                m_copyFromAnotherSwiftDialog.reset(new CCopyModelsFromOtherSwiftVersionsDialog(this));
             }
-            m_copyFromAnotherSwift->show();
+            m_copyFromAnotherSwiftDialog->show();
         }
 
         void CDbOwnModelSetComponent::setSimulator(const CSimulatorInfo &simulator)
@@ -392,12 +415,15 @@ namespace BlackGui
             });
         }
 
-        void CDbOwnModelSetComponent::showAirlineAircraftMatrix() const
+        void CDbOwnModelSetComponent::showModelStatistics()
         {
             const CAircraftModelList set(this->getModelSetFromView());
-            const QString file = CAircraftModelUtilities::createIcaoAirlineAircraftHtmlMatrixFile(set, CGuiApplication::getTemporaryDirectory());
-            if (file.isEmpty()) { return; }
-            QDesktopServices::openUrl(QUrl::fromLocalFile(file));
+            if (!m_modelStatisticsDialog)
+            {
+                m_modelStatisticsDialog.reset(new CAircraftModelStatisticsDialog(this));
+            }
+            m_modelStatisticsDialog->analyzeModels(set);
+            m_modelStatisticsDialog->show();
         }
 
         void CDbOwnModelSetComponent::updateDistributorOrder(const CSimulatorInfo &simulator)
@@ -505,6 +531,10 @@ namespace BlackGui
                     QAction *a = new QAction(CIcons::appDistributors16(), "Apply distributor preferences", this);
                     connect(a, &QAction::triggered, ownModelSetComp, &CDbOwnModelSetComponent::distributorPreferencesChanged);
                     m_setActions.append(a);
+
+                    a = new QAction(CIcons::delete16(), "Reduce models (remove duplicates)", this);
+                    connect(a, &QAction::triggered, ownModelSetComp, &CDbOwnModelSetComponent::reduceModels);
+                    m_setActions.append(a);
                 }
                 menuActions.addMenuModelSet();
                 menuActions.addActions(m_setActions, CMenuAction::pathModelSet());
diff --git a/src/blackgui/components/dbownmodelsetcomponent.h b/src/blackgui/components/dbownmodelsetcomponent.h
index 59db5a533..655c13e8d 100644
--- a/src/blackgui/components/dbownmodelsetcomponent.h
+++ b/src/blackgui/components/dbownmodelsetcomponent.h
@@ -33,11 +33,16 @@ namespace BlackMisc { namespace Simulation { class CAircraftModel; } }
 namespace BlackGui
 {
     namespace Menus { class CMenuActions; }
-    namespace Views { class CAircraftModelView; }
+    namespace Views
+    {
+        class CAircraftModelView;
+        class CAircraftModelStatisticsDialog;
+    }
     namespace Components
     {
         class CDbMappingComponent;
         class CDbOwnModelSetFormDialog;
+        class CDbReduceModelDuplicates;
         class CCopyModelsFromOtherSwiftVersionsDialog;
         class CFirstModelSetDialog;
 
@@ -140,6 +145,9 @@ namespace BlackGui
             //! Preferences changed
             void distributorPreferencesChanged();
 
+            //! Reduce models
+            void reduceModels();
+
             //! Default file name
             void setSaveFileName(const BlackMisc::Simulation::CSimulatorInfo &simulator);
 
@@ -156,15 +164,18 @@ namespace BlackGui
             void copyFromAnotherSwift();
 
             //! Show the airline/aircraft matrix
-            void showAirlineAircraftMatrix() const;
+            void showModelStatistics();
 
             //! Update distributor order
             void updateDistributorOrder(const BlackMisc::Simulation::CSimulatorInfo &simulator);
 
             QScopedPointer<Ui::CDbOwnModelSetComponent> ui;
             QScopedPointer<CDbOwnModelSetFormDialog> m_modelSetFormDialog;
-            QScopedPointer<CFirstModelSetDialog>     m_firstModelSet;
-            QScopedPointer<CCopyModelsFromOtherSwiftVersionsDialog> m_copyFromAnotherSwift;
+            QScopedPointer<CFirstModelSetDialog>     m_firstModelSetDialog;
+            QScopedPointer<CDbReduceModelDuplicates> m_reduceModelsDialog;
+            QScopedPointer<CCopyModelsFromOtherSwiftVersionsDialog> m_copyFromAnotherSwiftDialog;
+            QScopedPointer<Views::CAircraftModelStatisticsDialog>   m_modelStatisticsDialog;
+
             BlackMisc::Simulation::CSimulatorInfo m_simulator; //!< currently set simulator
             BlackMisc::CSettingReadOnly<BlackMisc::Simulation::Settings::TDistributorListPreferences> m_distributorPreferences { this, &CDbOwnModelSetComponent::distributorPreferencesChanged }; //!< distributor preferences
             BlackMisc::CSettingReadOnly<BlackMisc::Simulation::Settings::TModel> m_modelSettings { this }; //!< settings for models
diff --git a/src/blackgui/components/dbownmodelsetcomponent.ui b/src/blackgui/components/dbownmodelsetcomponent.ui
index 3af2cf4f2..b4a6b7cb6 100644
--- a/src/blackgui/components/dbownmodelsetcomponent.ui
+++ b/src/blackgui/components/dbownmodelsetcomponent.ui
@@ -110,9 +110,9 @@
        </widget>
       </item>
       <item>
-       <widget class="QPushButton" name="pb_ShowMatrix">
+       <widget class="QPushButton" name="pb_ShowStatistics">
         <property name="text">
-         <string>matrix</string>
+         <string>statistics</string>
         </property>
        </widget>
       </item>