diff --git a/src/blackgui/models/aircrafticaolistmodel.cpp b/src/blackgui/models/aircrafticaolistmodel.cpp
index f71d5cd88..e9bd37396 100644
--- a/src/blackgui/models/aircrafticaolistmodel.cpp
+++ b/src/blackgui/models/aircrafticaolistmodel.cpp
@@ -19,7 +19,7 @@ namespace BlackGui
     namespace Models
     {
         CAircraftIcaoCodeListModel::CAircraftIcaoCodeListModel(QObject *parent) :
-            CListModelBase("AircraftIcaoListModel", parent)
+            CListModelDbObjects("AircraftIcaoListModel", parent)
         {
             this->m_columns.addColumn(CColumn::standardString("id", CAircraftIcaoCode::IndexDbIntegerKey, CDefaultFormatter::alignRightVCenter()));
             this->m_columns.addColumn(CColumn::standardValueObject("ICAO", CAircraftIcaoCode::IndexAircraftDesignator));
diff --git a/src/blackgui/models/aircrafticaolistmodel.h b/src/blackgui/models/aircrafticaolistmodel.h
index f31595290..40f699708 100644
--- a/src/blackgui/models/aircrafticaolistmodel.h
+++ b/src/blackgui/models/aircrafticaolistmodel.h
@@ -15,7 +15,7 @@
 #include "blackgui/blackguiexport.h"
 #include <QAbstractItemModel>
 #include "blackmisc/aviation/aircrafticaocodelist.h"
-#include "blackgui/models/listmodelbase.h"
+#include "blackgui/models/listmodeldbobjects.h"
 
 namespace BlackGui
 {
@@ -23,7 +23,7 @@ namespace BlackGui
     {
         //! Airport list model
         class BLACKGUI_EXPORT CAircraftIcaoCodeListModel :
-            public CListModelBase<BlackMisc::Aviation::CAircraftIcaoCode, BlackMisc::Aviation::CAircraftIcaoCodeList, true>
+            public CListModelDbObjects<BlackMisc::Aviation::CAircraftIcaoCode, BlackMisc::Aviation::CAircraftIcaoCodeList, int, true>
         {
         public:
             //! Constructor
diff --git a/src/blackgui/models/aircraftmodellistmodel.cpp b/src/blackgui/models/aircraftmodellistmodel.cpp
index 09be4f10f..903fc870c 100644
--- a/src/blackgui/models/aircraftmodellistmodel.cpp
+++ b/src/blackgui/models/aircraftmodellistmodel.cpp
@@ -21,7 +21,7 @@ namespace BlackGui
     namespace Models
     {
         CAircraftModelListModel::CAircraftModelListModel(AircraftModelMode mode, QObject *parent) :
-            CModelsWithDbKeysBase("CAircraftModelListModel", parent)
+            CListModelDbObjects("CAircraftModelListModel", parent)
         {
             this->setAircraftModelMode(mode);
 
@@ -142,31 +142,16 @@ namespace BlackGui
 
         QVariant CAircraftModelListModel::data(const QModelIndex &index, int role) const
         {
-            if (role != Qt::BackgroundRole) { return CListModelBase::data(index, role); }
-            bool db = highlightDbData();
+            if (role != Qt::BackgroundRole) { return CListModelDbObjects::data(index, role); }
             bool ms = highlightGivenModelStrings() && !m_highlightStrings.isEmpty();
-            if (!db && !ms) { return CListModelBase::data(index, role); }
+            if (!ms) { return CListModelDbObjects::data(index, role); }
 
             CAircraftModel model(this->at(index));
             // highlight stashed first
-            if (ms)
+            if (m_highlightStrings.contains(model.getModelString(), Qt::CaseInsensitive))
             {
-                if (m_highlightStrings.contains(model.getModelString(), Qt::CaseInsensitive))
-                {
-                    static const QBrush b(Qt::yellow);
-                    return b;
-                }
-                return QVariant();
-            }
-
-            // highlight DB models
-            if (db)
-            {
-                if (model.hasValidDbKey())
-                {
-                    static const QBrush b(Qt::green);
-                    return b;
-                }
+                static const QBrush b(Qt::yellow);
+                return b;
             }
             return QVariant();
         }
diff --git a/src/blackgui/models/aircraftmodellistmodel.h b/src/blackgui/models/aircraftmodellistmodel.h
index 84110ba7c..77c4ab813 100644
--- a/src/blackgui/models/aircraftmodellistmodel.h
+++ b/src/blackgui/models/aircraftmodellistmodel.h
@@ -13,7 +13,7 @@
 #define BLACKGUI_AIRCRAFTMODELLISTMODEL_H
 
 #include "blackgui/blackguiexport.h"
-#include "blackgui/models/modelswithdbkey.h"
+#include "blackgui/models/listmodeldbobjects.h"
 #include "blackmisc/simulation/aircraftmodellist.h"
 #include <QStringList>
 #include <QAbstractItemModel>
@@ -24,7 +24,7 @@ namespace BlackGui
     {
         //! Aircraft model list model
         class BLACKGUI_EXPORT CAircraftModelListModel :
-            public CModelsWithDbKeysBase<BlackMisc::Simulation::CAircraftModel, BlackMisc::Simulation::CAircraftModelList, int, true>
+            public CListModelDbObjects<BlackMisc::Simulation::CAircraftModel, BlackMisc::Simulation::CAircraftModelList, int, true>
         {
         public:
             //! How to display
@@ -51,12 +51,6 @@ namespace BlackGui
             //! Mode
             AircraftModelMode getModelMode() const { return m_mode; }
 
-            //! Highlight the DB models
-            bool highlightDbData() const { return m_highlightDbData; }
-
-            //! Highlight the DB models
-            void setHighlightDbData(bool highlightDbData) { m_highlightDbData = highlightDbData; }
-
             //! Highlight models
             bool highlightGivenModelStrings() const { return m_highlightModelStrings; }
 
@@ -72,13 +66,11 @@ namespace BlackGui
             //! Replace models with same model string, or just add
             void replaceOrAddByModelString(const BlackMisc::Simulation::CAircraftModelList &models);
 
-        protected:
             //! \copydoc QAbstractItemModel::data
             virtual QVariant data(const QModelIndex &index, int role) const override;
 
         private:
             AircraftModelMode m_mode = NotSet;    //!< current mode
-            bool m_highlightDbData   = false;     //!< highlight if DB data entry (valid key)
             bool m_highlightModelStrings = false; //!< highlight in in model strings
             QStringList m_highlightStrings;       //!< model strings to highlight
         };
diff --git a/src/blackgui/models/airlineicaolistmodel.cpp b/src/blackgui/models/airlineicaolistmodel.cpp
index 11562f073..d7c743009 100644
--- a/src/blackgui/models/airlineicaolistmodel.cpp
+++ b/src/blackgui/models/airlineicaolistmodel.cpp
@@ -20,7 +20,7 @@ namespace BlackGui
     namespace Models
     {
         CAirlineIcaoCodeListModel::CAirlineIcaoCodeListModel(QObject *parent) :
-            CListModelBase("AircraftIcaoListModel", parent)
+            CListModelDbObjects("AircraftIcaoListModel", parent)
         {
             this->m_columns.addColumn(CColumn::standardString("id", CAirlineIcaoCode::IndexDbIntegerKey, CDefaultFormatter::alignRightVCenter()));
             this->m_columns.addColumn(CColumn::standardValueObject("ICAO", CAirlineIcaoCode::IndexAirlineDesignator));
diff --git a/src/blackgui/models/airlineicaolistmodel.h b/src/blackgui/models/airlineicaolistmodel.h
index 536f33411..6ffe507bf 100644
--- a/src/blackgui/models/airlineicaolistmodel.h
+++ b/src/blackgui/models/airlineicaolistmodel.h
@@ -15,14 +15,15 @@
 #include "blackgui/blackguiexport.h"
 #include <QAbstractItemModel>
 #include "blackmisc/aviation/airlineicaocodelist.h"
-#include "blackgui/models/listmodelbase.h"
+#include "blackgui/models/listmodeldbobjects.h"
 
 namespace BlackGui
 {
     namespace Models
     {
         //! Airport list model
-        class BLACKGUI_EXPORT CAirlineIcaoCodeListModel : public CListModelBase<BlackMisc::Aviation::CAirlineIcaoCode, BlackMisc::Aviation::CAirlineIcaoCodeList, true>
+        class BLACKGUI_EXPORT CAirlineIcaoCodeListModel :
+            public CListModelDbObjects<BlackMisc::Aviation::CAirlineIcaoCode, BlackMisc::Aviation::CAirlineIcaoCodeList, int, true>
         {
         public:
             //! Constructor
diff --git a/src/blackgui/models/countrylistmodel.cpp b/src/blackgui/models/countrylistmodel.cpp
index fb080cd63..6f10e9eca 100644
--- a/src/blackgui/models/countrylistmodel.cpp
+++ b/src/blackgui/models/countrylistmodel.cpp
@@ -18,7 +18,7 @@ namespace BlackGui
     namespace Models
     {
         CCountryListModel::CCountryListModel(QObject *parent) :
-            CListModelBase("CountryListModel", parent)
+            CListModelDbObjects("CountryListModel", parent)
         {
             CColumn col("country", CCountry::IndexIcon);
             col.setSortPropertyIndex(CCountry::IndexIsoCode);
diff --git a/src/blackgui/models/countrylistmodel.h b/src/blackgui/models/countrylistmodel.h
index 9638a970f..ce40bb1f2 100644
--- a/src/blackgui/models/countrylistmodel.h
+++ b/src/blackgui/models/countrylistmodel.h
@@ -14,7 +14,7 @@
 
 #include "blackgui/blackguiexport.h"
 #include "blackmisc/countrylist.h"
-#include "blackgui/models/listmodelbase.h"
+#include "blackgui/models/listmodeldbobjects.h"
 #include <QAbstractItemModel>
 
 namespace BlackGui
@@ -23,7 +23,7 @@ namespace BlackGui
     {
         //! Country list model
         class BLACKGUI_EXPORT CCountryListModel :
-            public CListModelBase<BlackMisc::CCountry, BlackMisc::CCountryList, true>
+            public CListModelDbObjects<BlackMisc::CCountry, BlackMisc::CCountryList, QString, true>
         {
         public:
             //! Constructor
diff --git a/src/blackgui/models/distributorlistmodel.cpp b/src/blackgui/models/distributorlistmodel.cpp
index 892f7fc9a..024e63c25 100644
--- a/src/blackgui/models/distributorlistmodel.cpp
+++ b/src/blackgui/models/distributorlistmodel.cpp
@@ -19,7 +19,7 @@ namespace BlackGui
     namespace Models
     {
         CDistributorListModel::CDistributorListModel(QObject *parent) :
-            CListModelBase("ModelDistributorList", parent)
+            CListModelDbObjects("ModelDistributorList", parent)
         {
             this->m_columns.addColumn(CColumn::standardString("key", CDistributor::IndexDbStringKey));
             this->m_columns.addColumn(CColumn::standardString("description", CDistributor::IndexDescription));
diff --git a/src/blackgui/models/distributorlistmodel.h b/src/blackgui/models/distributorlistmodel.h
index c1b3c5d96..7909ad1a1 100644
--- a/src/blackgui/models/distributorlistmodel.h
+++ b/src/blackgui/models/distributorlistmodel.h
@@ -14,7 +14,7 @@
 
 #include "blackgui/blackguiexport.h"
 #include "blackmisc/simulation/distributorlist.h"
-#include "blackgui/models/listmodelbase.h"
+#include "blackgui/models/listmodeldbobjects.h"
 #include <QAbstractItemModel>
 
 namespace BlackGui
@@ -23,10 +23,9 @@ namespace BlackGui
     {
         //! Distributor list model
         class BLACKGUI_EXPORT CDistributorListModel :
-            public CListModelBase<BlackMisc::Simulation::CDistributor, BlackMisc::Simulation::CDistributorList, true>
+            public CListModelDbObjects<BlackMisc::Simulation::CDistributor, BlackMisc::Simulation::CDistributorList, QString, true>
         {
         public:
-
             //! Constructor
             explicit CDistributorListModel(QObject *parent = nullptr);
 
diff --git a/src/blackgui/models/listmodelbase.cpp b/src/blackgui/models/listmodelbase.cpp
index 77caedd40..aa6570158 100644
--- a/src/blackgui/models/listmodelbase.cpp
+++ b/src/blackgui/models/listmodelbase.cpp
@@ -188,7 +188,7 @@ namespace BlackGui
         int CListModelBase<ObjectType, ContainerType, UseCompare>::rowCount(const QModelIndex &parentIndex) const
         {
             Q_UNUSED(parentIndex);
-            return this->getContainerOrFilteredContainer().size();
+            return this->containerOrFilteredContainer().size();
         }
 
         template <typename ObjectType, typename ContainerType, bool UseCompare>
@@ -209,7 +209,7 @@ namespace BlackGui
             if (!formatter) { return QVariant(); }
 
             //! Formatted data
-            ObjectType obj = this->getContainerOrFilteredContainer()[index.row()];
+            ObjectType obj = this->containerOrFilteredContainer()[index.row()];
             BlackMisc::CPropertyIndex propertyIndex = this->columnToPropertyIndex(index.column());
             return formatter->data(role, obj.propertyByIndex(propertyIndex)).getQVariant();
         }
@@ -398,7 +398,7 @@ namespace BlackGui
             }
             else
             {
-                return this->getContainerOrFilteredContainer()[index.row()];
+                return this->containerOrFilteredContainer()[index.row()];
             }
         }
 
@@ -478,13 +478,16 @@ namespace BlackGui
         }
 
         template <typename ObjectType, typename ContainerType, bool UseCompare>
-        const ContainerType &CListModelBase<ObjectType, ContainerType, UseCompare>::getContainerOrFilteredContainer() const
+        const ContainerType &CListModelBase<ObjectType, ContainerType, UseCompare>::containerOrFilteredContainer() const
         {
-            if (!this->hasFilter())
+            if (this->hasFilter())
+            {
+                return this->m_containerFiltered;
+            }
+            else
             {
                 return this->m_container;
             }
-            return m_containerFiltered;
         }
 
         template <typename ObjectType, typename ContainerType, bool UseCompare>
@@ -503,7 +506,7 @@ namespace BlackGui
         template <typename ObjectType, typename ContainerType, bool UseCompare>
         void CListModelBase<ObjectType, ContainerType, UseCompare>::emitRowCountChanged()
         {
-            int n = this->getContainerOrFilteredContainer().size();
+            int n = this->containerOrFilteredContainer().size();
             emit this->rowCountChanged(n, this->hasFilter());
             emit this->changed();
         }
diff --git a/src/blackgui/models/listmodelbase.h b/src/blackgui/models/listmodelbase.h
index 5320fa663..1593b8fe7 100644
--- a/src/blackgui/models/listmodelbase.h
+++ b/src/blackgui/models/listmodelbase.h
@@ -153,6 +153,9 @@ namespace BlackGui
             //! Used container data
             const ContainerType &container() const;
 
+            //! Full container or cached filtered container as approproiate
+            const ContainerType &containerOrFilteredContainer() const;
+
             //! \copydoc QStandardItemModel::data()
             virtual QVariant data(const QModelIndex &index, int role) const override;
 
@@ -168,6 +171,7 @@ namespace BlackGui
             virtual int rowCount(const QModelIndex &parentIndex = QModelIndex()) const override;
 
             //! Update by new container
+            //! \return int size after update
             //! \remarks a sorting is performed only if a valid sort column is set
             virtual int update(const ContainerType &container, bool sort = true);
 
@@ -247,24 +251,21 @@ namespace BlackGui
             void takeFilterOwnership(std::unique_ptr<IModelFilter<ContainerType> > &filter);
 
         protected:
-            std::unique_ptr<IModelFilter<ContainerType> > m_filter; //!< Used filter
-
             //! \copydoc CListModelBaseNonTemplate::CListModelBaseNonTemplate
             CListModelBase(const QString &translationContext, QObject *parent = nullptr);
 
             //! \copydoc CModelBaseNonTemplate::performUpdateContainer
             virtual int performUpdateContainer(const BlackMisc::CVariant &variant, bool sort) override;
 
-            //! Full container or cached filtered container as approproiate
-            const ContainerType &getContainerOrFilteredContainer() const;
-
             //! Update filtered container
             void updateFilteredContainer();
 
             //! Row count changed
             void emitRowCountChanged();
-            ContainerType m_container;         //!< used container
-            ContainerType m_containerFiltered; //!< cache for filtered container data
+
+            std::unique_ptr<IModelFilter<ContainerType> > m_filter; //!< Used filter
+            ContainerType m_container;                              //!< used container
+            ContainerType m_containerFiltered;                      //!< cache for filtered container data
         };
 
         namespace Private
diff --git a/src/blackgui/models/listmodeldbobjects.cpp b/src/blackgui/models/listmodeldbobjects.cpp
new file mode 100644
index 000000000..2b48a4021
--- /dev/null
+++ b/src/blackgui/models/listmodeldbobjects.cpp
@@ -0,0 +1,70 @@
+/* Copyright (C) 2053
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "listmodeldbobjects.h"
+#include "allmodelcontainers.h"
+
+using namespace BlackMisc;
+using namespace BlackMisc::Aviation;
+
+namespace BlackGui
+{
+    namespace Models
+    {
+        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
+        CListModelDbObjects<ObjectType, ContainerType, KeyType, UseCompare>::CListModelDbObjects(const QString &translationContext, QObject *parent) :
+            CListModelBase<ObjectType, ContainerType, UseCompare>(translationContext, parent)
+        {
+            // void
+        }
+
+        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
+        QVariant CListModelDbObjects<ObjectType, ContainerType, KeyType, UseCompare>::data(const QModelIndex &index, int role) const
+        {
+            if (role != Qt::BackgroundRole) { return CListModelBase<ObjectType, ContainerType, UseCompare>::data(index, role); }
+
+            if (isHighlightIndex(index)) { return QBrush(m_highlightColor); }
+            if (!highlightDbData()) { return CListModelBase<ObjectType, ContainerType, UseCompare>::data(index, role); }
+
+            ObjectType obj(this->at(index));
+            // highlight DB models
+            if (obj.hasValidDbKey())
+            {
+                static const QBrush b(Qt::green);
+                return b;
+            }
+            return QVariant();
+        }
+
+        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
+        KeyType CListModelDbObjects<ObjectType, ContainerType, KeyType, UseCompare>::dbKeyForIndex(const QModelIndex &index) const
+        {
+            if (!index.isValid()) { return ObjectType::invalidDbKey(); }
+            return this->at(index).getDbKey();
+        }
+
+        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
+        bool CListModelDbObjects<ObjectType, ContainerType, KeyType, UseCompare>::isHighlightIndex(const QModelIndex &index) const
+        {
+            if (!index.isValid()) { return false; }
+            if (m_highlightKeys.isEmpty()) { return false; }
+            return m_highlightKeys.contains(dbKeyForIndex(index));
+        }
+
+        // see here for the reason of thess forward instantiations
+        // http://www.parashift.com/c++-faq/separate-template-class-defn-from-decl.html
+        template class CListModelDbObjects<BlackMisc::Aviation::CLivery, BlackMisc::Aviation::CLiveryList, int, true>;
+        template class CListModelDbObjects<BlackMisc::CCountry, BlackMisc::CCountryList, QString, true>;
+        template class CListModelDbObjects<BlackMisc::Aviation::CAircraftIcaoCode, BlackMisc::Aviation::CAircraftIcaoCodeList, int, true>;
+        template class CListModelDbObjects<BlackMisc::Aviation::CAirlineIcaoCode, BlackMisc::Aviation::CAirlineIcaoCodeList, int, true>;
+        template class CListModelDbObjects<BlackMisc::Simulation::CAircraftModel, BlackMisc::Simulation::CAircraftModelList, int, true>;
+        template class CListModelDbObjects<BlackMisc::Simulation::CDistributor, BlackMisc::Simulation::CDistributorList, QString, true>;
+
+    } // namespace
+} // namespace
diff --git a/src/blackgui/models/modelswithdbkey.h b/src/blackgui/models/listmodeldbobjects.h
similarity index 58%
rename from src/blackgui/models/modelswithdbkey.h
rename to src/blackgui/models/listmodeldbobjects.h
index f8ae3e106..b50ac2a6f 100644
--- a/src/blackgui/models/modelswithdbkey.h
+++ b/src/blackgui/models/listmodeldbobjects.h
@@ -9,25 +9,32 @@
 
 //! \file
 
-#ifndef BLACKGUI_MODELSWITHDBKEY_H
-#define BLACKGUI_MODELSWITHDBKEY_H
+#ifndef BLACKGUI_LISTMODELDBOBJECTS_H
+#define BLACKGUI_LISTMODELDBOBJECTS_H
 
 #include "listmodelbase.h"
+#include "blackgui/blackguiexport.h"
 
 namespace BlackGui
 {
     namespace Models
     {
-        //! Base class for models with DB keys
-        template <typename ObjectType, typename ContainerType, typename KeyType = int, bool UseCompare = false>
-        class CModelsWithDbKeysBase : public CListModelBase<ObjectType, ContainerType, UseCompare>
+        //! List model for DB objects
+        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare = false> class CListModelDbObjects :
+            public CListModelBase<ObjectType, ContainerType, UseCompare>
         {
         public:
             //! Destructor
-            virtual ~CModelsWithDbKeysBase() {}
+            virtual ~CListModelDbObjects() {}
+
+            //! Highlight the DB models
+            bool highlightDbData() const { return m_highlightDbData; }
+
+            //! Highlight the DB models
+            void setHighlightDbData(bool highlightDbData) { m_highlightDbData = highlightDbData; }
 
             //! Keys to be highlighted
-            void setHighlightDbKeys(const QList<KeyType> &keys) { m_highlightIntKeys = keys; }
+            void setHighlightDbKeys(const QList<KeyType> &keys) { m_highlightKeys = keys; }
 
             //! Set color for highlighting
             void setHighlightColor(QColor color) { m_highlightColor = color; }
@@ -42,13 +49,15 @@ namespace BlackGui
             bool isHighlightIndex(const QModelIndex &index) const;
 
         protected:
-            //! \copydoc CListModelBase::CListModelBase
-            CModelsWithDbKeysBase(const QString &translationContext, QObject *parent = nullptr);
+            //! \copydoc CListModelDbObjectsNonTemplate::CListModelDbObjectsNonTemplate
+            CListModelDbObjects(const QString &translationContext, QObject *parent = nullptr);
 
         private:
-            QList<KeyType> m_highlightIntKeys; //!< keys to be highlighted
+            bool m_highlightDbData = false; //!< highlight if DB data entry (valid key)
+            QList<KeyType> m_highlightKeys; //!< keys to be highlighted
             QColor         m_highlightColor = Qt::green;
         };
+
     } // namespace
 } // namespace
 #endif // guard
diff --git a/src/blackgui/models/liverylistmodel.cpp b/src/blackgui/models/liverylistmodel.cpp
index 2eec6033e..901244633 100644
--- a/src/blackgui/models/liverylistmodel.cpp
+++ b/src/blackgui/models/liverylistmodel.cpp
@@ -21,7 +21,7 @@ namespace BlackGui
     namespace Models
     {
         CLiveryListModel::CLiveryListModel(QObject *parent) :
-            CListModelBase("ModelLiveryList", parent)
+            CListModelDbObjects("ModelLiveryList", parent)
         {
             this->m_columns.addColumn(CColumn::standardString("id", CLivery::IndexDbIntegerKey, CDefaultFormatter::alignRightVCenter()));
             this->m_columns.addColumn(CColumn::standardString("code", CLivery::IndexCombinedCode));
diff --git a/src/blackgui/models/liverylistmodel.h b/src/blackgui/models/liverylistmodel.h
index f748edc9b..68003efbb 100644
--- a/src/blackgui/models/liverylistmodel.h
+++ b/src/blackgui/models/liverylistmodel.h
@@ -14,7 +14,7 @@
 
 #include "blackgui/blackguiexport.h"
 #include "blackmisc/aviation/liverylist.h"
-#include "blackgui/models/listmodelbase.h"
+#include "blackgui/models/listmodeldbobjects.h"
 #include <QAbstractItemModel>
 
 namespace BlackGui
@@ -23,10 +23,9 @@ namespace BlackGui
     {
         //! Distributor list model
         class BLACKGUI_EXPORT CLiveryListModel :
-                public CListModelBase<BlackMisc::Aviation::CLivery, BlackMisc::Aviation::CLiveryList, true>
+            public CListModelDbObjects<BlackMisc::Aviation::CLivery, BlackMisc::Aviation::CLiveryList, int, true>
         {
         public:
-
             //! Constructor
             explicit CLiveryListModel(QObject *parent = nullptr);
 
diff --git a/src/blackgui/models/modelswithdbkey.cpp b/src/blackgui/models/modelswithdbkey.cpp
deleted file mode 100644
index 490c3e64b..000000000
--- a/src/blackgui/models/modelswithdbkey.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Copyright (C) 2015
- * swift project Community / Contributors
- *
- * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
- * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
- * including this file, may be copied, modified, propagated, or distributed except according to the terms
- * contained in the LICENSE file.
- */
-
-#include "modelswithdbkey.h"
-#include "allmodelcontainers.h"
-
-namespace BlackGui
-{
-    namespace Models
-    {
-        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
-        CModelsWithDbKeysBase<ObjectType, ContainerType, KeyType, UseCompare>::CModelsWithDbKeysBase(const QString &translationContext, QObject *parent) :
-            CListModelBase<ObjectType, ContainerType, UseCompare>(translationContext, parent)
-        { }
-
-        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
-        QVariant CModelsWithDbKeysBase<ObjectType, ContainerType, KeyType, UseCompare>::data(const QModelIndex &index, int role) const
-        {
-            if (role == Qt::BackgroundRole)
-            {
-                if (isHighlightIndex(index)) { return QBrush(m_highlightColor); }
-            }
-            return CListModelBase<ObjectType, ContainerType, UseCompare>::data(index, role);
-        }
-
-        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
-        KeyType CModelsWithDbKeysBase<ObjectType, ContainerType, KeyType, UseCompare>::dbKeyForIndex(const QModelIndex &index) const
-        {
-            if (!index.isValid()) { return ObjectType::invalidDbKey(); }
-            return this->at(index).getDbKey();
-        }
-
-        template <typename ObjectType, typename ContainerType, typename KeyType, bool UseCompare>
-        bool CModelsWithDbKeysBase<ObjectType, ContainerType, KeyType, UseCompare>::isHighlightIndex(const QModelIndex &index) const
-        {
-            if (!index.isValid()) { return false; }
-            if (m_highlightIntKeys.isEmpty()) { return false; }
-            return m_highlightIntKeys.contains(dbKeyForIndex(index));
-        }
-
-        // see here for the reason of thess forward instantiations
-        // http://www.parashift.com/c++-faq/separate-template-class-defn-from-decl.html
-        template class CModelsWithDbKeysBase<BlackMisc::Simulation::CAircraftModel, BlackMisc::Simulation::CAircraftModelList, int, true>;
-
-    } // namespace
-} // namespace