diff --git a/src/blackgui/components/dbmappingcomponent.cpp b/src/blackgui/components/dbmappingcomponent.cpp
index 472075013..ab12af40a 100644
--- a/src/blackgui/components/dbmappingcomponent.cpp
+++ b/src/blackgui/components/dbmappingcomponent.cpp
@@ -29,6 +29,7 @@ using namespace BlackGui;
 using namespace BlackGui::Editors;
 using namespace BlackGui::Views;
 using namespace BlackGui::Models;
+using namespace BlackGui::Menus;
 
 namespace BlackGui
 {
@@ -48,6 +49,7 @@ namespace BlackGui
             this->ui->tvp_AircraftModelsForVPilot->addFilterDialog();
 
             // own models
+            ui->comp_OwnAircraftModels->view()->setCustomMenu(new CMergeWithVPilotMenu(this));
             ui->comp_OwnAircraftModels->view()->setCustomMenu(new COwnModelSetMenu(this, true));
             ui->comp_OwnAircraftModels->view()->setCustomMenu(new CModelStashToolsMenu(this, false));
 
@@ -104,8 +106,9 @@ namespace BlackGui
                 this->ui->tvp_AircraftModelsForVPilot->setCustomMenu(new CMappingVPilotMenu(this, true));
                 this->ui->tvp_AircraftModelsForVPilot->setCustomMenu(new CModelStashToolsMenu(this, false));
                 this->ui->tvp_AircraftModelsForVPilot->setDisplayAutomatically(true);
+
                 this->ui->tvp_AircraftModelsForVPilot->addFilterDialog();
-                const CAircraftModelList vPilotModels(m_cachedVPilotModels.get());
+                const CAircraftModelList vPilotModels(m_vPilotReader.getAsModelsFromCache());
                 this->ui->tvp_AircraftModelsForVPilot->updateContainerMaybeAsync(vPilotModels);
                 int noModels = vPilotModels.size();
                 CLogMessage(this).info("%1 cached vPilot models loaded") << noModels;
@@ -413,15 +416,6 @@ namespace BlackGui
                 {
                     this->ui->tvp_AircraftModelsForVPilot->updateContainerMaybeAsync(models);
                 }
-                CStatusMessage msg = m_cachedVPilotModels.set(models);
-                if (msg.isWarningOrAbove())
-                {
-                    CLogMessage::preformatted(msg);
-                }
-                else
-                {
-                    CLogMessage(this).info("Written %1 vPilot rules to cache") << models.size();
-                }
             }
             else
             {
@@ -434,7 +428,7 @@ namespace BlackGui
         {
             if (this->ui->tvp_AircraftModelsForVPilot->displayAutomatically())
             {
-                this->ui->tvp_AircraftModelsForVPilot->updateContainerMaybeAsync(this->m_cachedVPilotModels.get());
+                this->ui->tvp_AircraftModelsForVPilot->updateContainerMaybeAsync(this->m_vPilotReader.getAsModelsFromCache());
             }
         }
 
@@ -500,6 +494,48 @@ namespace BlackGui
             CLogMessage::preformatted(m);
         }
 
+        void CDbMappingComponent::ps_mergeWithVPilotModels()
+        {
+            if (!ui->comp_OwnAircraftModels->modelLoader()) { return; }
+            if (this->m_vPilotReader.getModelsCount() < 1) { return; }
+            const CSimulatorInfo sim(ui->comp_OwnAircraftModels->getOwnModelsSimulator());
+            if (!sim.isSingleSimulator() || !sim.isMicrosoftOrPrepare3DSimulator()) { return; }
+            CAircraftModelList ownModels(getOwnModels());
+            if (ownModels.isEmpty()) { return; }
+            ui->comp_OwnAircraftModels->view()->showLoadIndicator();
+            CAircraftModelUtilities::mergeWithVPilotData(ownModels, this->m_vPilotReader.getAsModelsFromCache(), true);
+            ui->comp_OwnAircraftModels->updateViewAndCache(ownModels);
+        }
+
+        void CDbMappingComponent::ps_mergeSelectedWithVPilotModels()
+        {
+            if (!ui->comp_OwnAircraftModels->modelLoader()) { return; }
+            if (this->m_vPilotReader.getModelsCount() < 1) { return; }
+            if (!ui->comp_OwnAircraftModels->view()->hasSelection()) { return; }
+            const CSimulatorInfo sim(ui->comp_OwnAircraftModels->getOwnModelsSimulator());
+            if (!sim.isSingleSimulator() || !sim.isMicrosoftOrPrepare3DSimulator()) { return; }
+            CAircraftModelList ownModels(getOwnSelectedModels()); // subset
+            if (ownModels.isEmpty()) { return; }
+            ui->comp_OwnAircraftModels->view()->showLoadIndicator();
+            CAircraftModelUtilities::mergeWithVPilotData(ownModels, this->m_vPilotReader.getAsModelsFromCache(), true);
+
+            // full models
+            CAircraftModelList allModels = this->m_vPilotReader.getAsModelsFromCache();
+            allModels.replaceOrAddModelsWithString(ownModels, Qt::CaseInsensitive);
+            ui->comp_OwnAircraftModels->updateViewAndCache(allModels);
+        }
+
+        void CDbMappingComponent::ps_onCustomContextMenu(const QPoint &point)
+        {
+            QPoint globalPos = this->mapToGlobal(point);
+            QScopedPointer<QMenu> contextMenu(new QMenu(this));
+
+            contextMenu->addAction("Max.data area", this, &CDbMappingComponent::resizeForSelect, QKeySequence(Qt::CTRL + Qt::Key_M, Qt::Key_D));
+            contextMenu->addAction("Max.mapping area", this, &CDbMappingComponent::resizeForMapping, QKeySequence(Qt::CTRL + Qt::Key_M, Qt::Key_M));
+            QAction *selectedItem = contextMenu.data()->exec(globalPos);
+            Q_UNUSED(selectedItem);
+        }
+
         void CDbMappingComponent::ps_onStashCountChanged(int count, bool withFilter)
         {
             Q_UNUSED(count);
@@ -603,6 +639,11 @@ namespace BlackGui
             return this->ui->comp_OwnAircraftModels->getOwnModels();
         }
 
+        CAircraftModelList CDbMappingComponent::getOwnSelectedModels() const
+        {
+            return this->ui->comp_OwnAircraftModels->getOwnSelectedModels();
+        }
+
         CAircraftModel CDbMappingComponent::getOwnModelForModelString(const QString &modelString) const
         {
             return this->ui->comp_OwnAircraftModels->getOwnModelForModelString(modelString);
@@ -652,7 +693,7 @@ namespace BlackGui
             if (canUseVPilot)
             {
                 this->addSeparator(menu);
-                menu.addAction(CIcons::appMappings16(), "Load vPilot Rules", mapComp, SLOT(ps_loadVPilotData()));
+                menu.addAction(CIcons::appMappings16(), "Load vPilot Rules", mapComp, &CDbMappingComponent::ps_loadVPilotData);
             }
             this->nestedCustomMenu(menu);
         }
@@ -770,5 +811,35 @@ namespace BlackGui
         {
             return qobject_cast<CDbMappingComponent *>(this->parent());
         }
+
+        CDbMappingComponent::CMergeWithVPilotMenu::CMergeWithVPilotMenu(CDbMappingComponent *mappingComponent, bool separator) :
+            IMenuDelegate(mappingComponent, separator)
+        {
+            Q_ASSERT_X(mappingComponent, Q_FUNC_INFO, "Missing vPilot reader");
+        }
+
+        void CDbMappingComponent::CMergeWithVPilotMenu::customMenu(QMenu &menu) const
+        {
+            const CAircraftModelView *mv = mappingComponent()->ui->comp_OwnAircraftModels->view();
+            const CSimulatorInfo sim = mappingComponent()->ui->comp_OwnAircraftModels->getOwnModelsSimulator();
+            if (!mappingComponent()->withVPilot() || mv->isEmpty() || !sim.isSingleSimulator() || !sim.isMicrosoftOrPrepare3DSimulator())
+            {
+                this->nestedCustomMenu(menu);
+                return;
+            }
+            this->addSeparator(menu);
+            QMenu *mm = menu.addMenu("Merge with vPilot data");
+            mm->addAction("All", mappingComponent(), &CDbMappingComponent::ps_mergeWithVPilotModels);
+            if (mv->hasSelection())
+            {
+                mm->addAction("Selected only", mappingComponent(), &CDbMappingComponent::ps_mergeSelectedWithVPilotModels);
+            }
+            this->nestedCustomMenu(menu);
+        }
+
+        CDbMappingComponent *CDbMappingComponent::CMergeWithVPilotMenu::mappingComponent() const
+        {
+            return qobject_cast<CDbMappingComponent *>(this->parent());
+        }
     } // ns
 } // ns
diff --git a/src/blackgui/components/dbmappingcomponent.h b/src/blackgui/components/dbmappingcomponent.h
index fd765d7c7..6f86d3def 100644
--- a/src/blackgui/components/dbmappingcomponent.h
+++ b/src/blackgui/components/dbmappingcomponent.h
@@ -104,6 +104,9 @@ namespace BlackGui
             //! Own models
             BlackMisc::Simulation::CAircraftModelList getOwnModels() const;
 
+            //! Own selected models
+            BlackMisc::Simulation::CAircraftModelList getOwnSelectedModels() const;
+
             //! Own (installed) model for given model string
             BlackMisc::Simulation::CAircraftModel getOwnModelForModelString(const QString &modelString) const;
 
@@ -222,13 +225,21 @@ namespace BlackGui
             //! Add to own model set
             void ps_addToOwnModelSet();
 
+            //! Merge with vPilot models
+            void ps_mergeWithVPilotModels();
+
+            //! Merge selected with vPilot models
+            void ps_mergeSelectedWithVPilotModels();
+
+            //! Custom menu
+            void ps_onCustomContextMenu(const QPoint &point);
+
         private:
-            QScopedPointer<Ui::CDbMappingComponent>                             ui;
-            QScopedPointer<CDbAutoStashingComponent>                            m_autoStashDialog;          //!< dialog auto stashing
-            QScopedPointer<CDbModelMappingModifyComponent>                      m_modelModifyDialog;        //!< dialog when modifying models
-            BlackMisc::Simulation::FsCommon::CVPilotRulesReader                 m_vPilotReader;             //!< read vPilot rules
-            BlackMisc::CData<BlackMisc::Simulation::Data::VPilotAircraftModels> m_cachedVPilotModels { this, &CDbMappingComponent::ps_onVPilotCacheChanged }; //!< cache for latest vPilot rules
-            BlackMisc::CData<BlackCore::Data::AuthenticatedDbUser>              m_swiftDbUser {this, &CDbMappingComponent::ps_userChanged};
+            QScopedPointer<Ui::CDbMappingComponent>                ui;
+            QScopedPointer<CDbAutoStashingComponent>               m_autoStashDialog;    //!< dialog auto stashing
+            QScopedPointer<CDbModelMappingModifyComponent>         m_modelModifyDialog;  //!< dialog when modifying models
+            BlackMisc::Simulation::FsCommon::CVPilotRulesReader    m_vPilotReader;       //!< read vPilot rules
+            BlackMisc::CData<BlackCore::Data::AuthenticatedDbUser> m_swiftDbUser {this, &CDbMappingComponent::ps_userChanged};
             bool m_vPilot1stInit       = true;
             bool m_withVPilot          = false;
             bool m_autoFilterInDbViews = false;  //!< automatically filter the DB view by the current model
@@ -314,6 +325,20 @@ namespace BlackGui
                 //! Mapping component
                 CDbMappingComponent *mappingComponent() const;
             };
+
+            //! Merge with vPilot data
+            class CMergeWithVPilotMenu : public BlackGui::Menus::IMenuDelegate
+            {
+            public:
+                //! Constructor
+                CMergeWithVPilotMenu(CDbMappingComponent *mappingComponent, bool separator = true);
+
+                //! \copydoc IMenuDelegate::customMenu
+                virtual void customMenu(QMenu &menu) const override;
+
+                //! Mapping component
+                CDbMappingComponent *mappingComponent() const;
+            };
         };
     } // ns
 } // ns
diff --git a/src/blackgui/components/dbownmodelscomponent.cpp b/src/blackgui/components/dbownmodelscomponent.cpp
index 2ac638dea..03259c6c9 100644
--- a/src/blackgui/components/dbownmodelscomponent.cpp
+++ b/src/blackgui/components/dbownmodelscomponent.cpp
@@ -45,7 +45,7 @@ namespace BlackGui
                 this->m_modelLoader->startLoading(IAircraftModelLoader::CacheOnly);
             }
 
-            ui->tvp_OwnAircraftModels->setCustomMenu(new CMergeWithDbDataMenu(ui->tvp_OwnAircraftModels, this->m_modelLoader.get(), false));
+            ui->tvp_OwnAircraftModels->setCustomMenu(new CMergeWithDbDataMenu(ui->tvp_OwnAircraftModels, this->modelLoader(), false));
             ui->tvp_OwnAircraftModels->setCustomMenu(new CLoadModelsMenu(this, true));
         }
 
@@ -64,6 +64,11 @@ namespace BlackGui
             return ui->tvp_OwnAircraftModels->derivedModel();
         }
 
+        IAircraftModelLoader *CDbOwnModelsComponent::modelLoader() const
+        {
+            return this->m_modelLoader.get();
+        }
+
         CAircraftModel CDbOwnModelsComponent::getOwnModelForModelString(const QString &modelString) const
         {
             if (!this->m_modelLoader) { return CAircraftModel(); }
@@ -77,6 +82,11 @@ namespace BlackGui
             return this->m_modelLoader->getAircraftModels();
         }
 
+        CAircraftModelList CDbOwnModelsComponent::getOwnSelectedModels() const
+        {
+            return ui->tvp_OwnAircraftModels->selectedObjects();
+        }
+
         const CSimulatorInfo &CDbOwnModelsComponent::getOwnModelsSimulator() const
         {
             static const CSimulatorInfo noSim;
@@ -90,6 +100,16 @@ namespace BlackGui
             return this->m_modelLoader->getAircraftModelsCount();
         }
 
+        CStatusMessage CDbOwnModelsComponent::updateViewAndCache(const CAircraftModelList &models)
+        {
+            const CStatusMessage m  = this->m_modelLoader->setCachedModels(models, this->getOwnModelsSimulator());
+            if (m.isSuccess())
+            {
+                ui->tvp_OwnAircraftModels->updateContainerMaybeAsync(models);
+            }
+            return m;
+        }
+
         void CDbOwnModelsComponent::gracefulShutdown()
         {
             if (this->m_modelLoader) { this->m_modelLoader->gracefulShutdown(); }
diff --git a/src/blackgui/components/dbownmodelscomponent.h b/src/blackgui/components/dbownmodelscomponent.h
index 7dc369e58..cfb23c5bf 100644
--- a/src/blackgui/components/dbownmodelscomponent.h
+++ b/src/blackgui/components/dbownmodelscomponent.h
@@ -46,18 +46,27 @@ namespace BlackGui
             //! Own models
             BlackMisc::Simulation::CAircraftModelList getOwnModels() const;
 
+            //! Own models selected in view
+            BlackMisc::Simulation::CAircraftModelList getOwnSelectedModels() const;
+
             //! Own models for simulator
             const BlackMisc::Simulation::CSimulatorInfo &getOwnModelsSimulator() const;
 
             //! Number of own models
             int getOwnModelsCount() const;
 
+            //! Update view and cache
+            BlackMisc::CStatusMessage updateViewAndCache(const BlackMisc::Simulation::CAircraftModelList &models);
+
             //! Models view
             BlackGui::Views::CAircraftModelView *view() const;
 
             //! Access to aircraft model
             Models::CAircraftModelListModel *model() const;
 
+            //! Access to model loader
+            BlackMisc::Simulation::IAircraftModelLoader *modelLoader() const;
+
             //! Graceful shutdown
             void gracefulShutdown();
 
diff --git a/src/blackgui/menus/aircraftmodelmenus.cpp b/src/blackgui/menus/aircraftmodelmenus.cpp
index b6025ac0b..3b448e273 100644
--- a/src/blackgui/menus/aircraftmodelmenus.cpp
+++ b/src/blackgui/menus/aircraftmodelmenus.cpp
@@ -81,7 +81,7 @@ namespace BlackGui
         void CMergeWithDbDataMenu::customMenu(QMenu &menu) const
         {
             const CAircraftModelView *mv = modelView();
-            if (mv->isEmpty()) { return; }
+            if (mv->isEmpty()) { this->nestedCustomMenu(menu); return; }
             if (!sGui->hasWebDataServices()) { return; }
 
             this->addSeparator(menu);
diff --git a/src/blackgui/menus/aircraftmodelmenus.h b/src/blackgui/menus/aircraftmodelmenus.h
index e0a8624dc..326e66e69 100644
--- a/src/blackgui/menus/aircraftmodelmenus.h
+++ b/src/blackgui/menus/aircraftmodelmenus.h
@@ -13,6 +13,7 @@
 #include "menudelegate.h"
 #include "blackgui/views/aircraftmodelview.h"
 #include "blackmisc/simulation/aircraftmodelloader.h"
+#include "blackmisc/simulation/fscommon/vpilotrulesreader.h"
 #include <QMenu>
 #include <QObject>
 
@@ -80,7 +81,9 @@ namespace BlackGui
             void ps_mergeSelectedData();
 
         private:
-            BlackMisc::Simulation::IAircraftModelLoader *m_loader = nullptr; //!< optional loader
+            BlackMisc::Simulation::IModelsSetable *modelsTargetSetable() const;
+            BlackMisc::Simulation::IModelsUpdatable *modelsTargetUpdatable() const;
+            QObject *m_modelsTarget = nullptr; //!< optional target for setting/updating the models
         };
     } // ns
 } // ns
diff --git a/src/blackmisc/simulation/aircraftmodel.cpp b/src/blackmisc/simulation/aircraftmodel.cpp
index 177216574..6afad9b2b 100644
--- a/src/blackmisc/simulation/aircraftmodel.cpp
+++ b/src/blackmisc/simulation/aircraftmodel.cpp
@@ -256,9 +256,9 @@ namespace BlackMisc
             m_livery.setAirlineIcaoCode(airlineIcaoCode);
         }
 
-        bool CAircraftModel::hasAircraftAndAirlineDesignator() const
+        bool CAircraftModel::hasValidAircraftAndAirlineDesignator() const
         {
-            return this->m_aircraftIcao.hasDesignator() && this->m_livery.hasValidAirlineDesignator();
+            return this->hasKnownAircraftDesignator() && this->m_livery.hasValidAirlineDesignator();
         }
 
         bool CAircraftModel::hasAircraftDesignator() const
diff --git a/src/blackmisc/simulation/aircraftmodel.h b/src/blackmisc/simulation/aircraftmodel.h
index 9200aaf6d..fef6f44e0 100644
--- a/src/blackmisc/simulation/aircraftmodel.h
+++ b/src/blackmisc/simulation/aircraftmodel.h
@@ -152,8 +152,8 @@ namespace BlackMisc
             //! Set ICAO codes
             void setAircraftIcaoCodes(const BlackMisc::Aviation::CAircraftIcaoCode &aircraftIcaoCode, const BlackMisc::Aviation::CAirlineIcaoCode &airlineIcaoCode);
 
-            //! Airline and aircraft designator?
-            bool hasAircraftAndAirlineDesignator() const;
+            //! Valid airline and aircraft designator?
+            bool hasValidAircraftAndAirlineDesignator() const;
 
             //! Has aircraft designator?
             bool hasAircraftDesignator() const;
diff --git a/src/blackmisc/simulation/aircraftmodelloader.cpp b/src/blackmisc/simulation/aircraftmodelloader.cpp
index e038677df..e2be8dc6f 100644
--- a/src/blackmisc/simulation/aircraftmodelloader.cpp
+++ b/src/blackmisc/simulation/aircraftmodelloader.cpp
@@ -39,46 +39,23 @@ namespace BlackMisc
             return dir.exists();
         }
 
-        bool IAircraftModelLoader::mergeWithDbData(CAircraftModelList &modelsFromSimulator, const CAircraftModelList &dbModels, bool force)
-        {
-            if (dbModels.isEmpty() || modelsFromSimulator.isEmpty()) { return false; }
-            for (CAircraftModel &simModel : modelsFromSimulator)
-            {
-                if (!force && simModel.hasValidDbKey()) { continue; } // already done
-                CAircraftModel dbModel(dbModels.findFirstByModelStringOrDefault(simModel.getModelString()));
-                if (!dbModel.hasValidDbKey())
-                {
-                    continue; // not found
-                }
-                dbModel.updateMissingParts(simModel, false);
-                simModel = dbModel;
-            }
-            return true;
-        }
-
-        CStatusMessage IAircraftModelLoader::setModelsInCache(const CAircraftModelList &models, const CSimulatorInfo &simulator)
+        CStatusMessage IAircraftModelLoader::setCachedModels(const CAircraftModelList &models, const CSimulatorInfo &simulator)
         {
             const CSimulatorInfo sim = simulator.isSingleSimulator() ? simulator : this->m_simulatorInfo;
             if (!sim.isSingleSimulator()) { return CStatusMessage(this, CStatusMessage::SeverityError, "Invalid simuataor"); }
-            const CStatusMessage m(this->m_caches.setModels(models, sim));
-            if (m.isSeverityInfoOrLess())
-            {
-                // set is asynchronous
-                // emit loadingFinished(true, sim);
-            }
-            return m;
+            return this->m_caches.setCachedModels(models, sim);
         }
 
-        CStatusMessage IAircraftModelLoader::replaceOrAddModelsInCache(const CAircraftModelList &models, const CSimulatorInfo &simulator)
+        CStatusMessage IAircraftModelLoader::replaceOrAddCachedModels(const CAircraftModelList &models, const CSimulatorInfo &simulator)
         {
             if (models.isEmpty()) { return CStatusMessage(this, CStatusMessage::SeverityInfo, "No data"); }
             const CSimulatorInfo sim = simulator.isSingleSimulator() ? simulator : this->m_simulatorInfo;
             if (!sim.isSingleSimulator()) { return CStatusMessage(this, CStatusMessage::SeverityError, "Invalid simuataor"); }
-            CAircraftModelList allModels(this->m_caches.getModels(sim));
+            CAircraftModelList allModels(this->m_caches.getCachedModels(sim));
             int c = allModels.replaceOrAddModelsWithString(models, Qt::CaseInsensitive);
             if (c > 0)
             {
-                return this->setModelsInCache(models, sim);
+                return this->setCachedModels(allModels, sim);
             }
             else
             {
@@ -186,8 +163,8 @@ namespace BlackMisc
             if (simInfo.xplane())
             {
                 loader = std::make_unique<CAircraftModelLoaderXPlane>(
-                           CSimulatorInfo(CSimulatorInfo::XPLANE),
-                           CXPlaneUtil::xplaneRootDir());
+                             CSimulatorInfo(CSimulatorInfo::XPLANE),
+                             CXPlaneUtil::xplaneRootDir());
             }
             else
             {
diff --git a/src/blackmisc/simulation/aircraftmodelloader.h b/src/blackmisc/simulation/aircraftmodelloader.h
index 3270c849f..56a1dcda5 100644
--- a/src/blackmisc/simulation/aircraftmodelloader.h
+++ b/src/blackmisc/simulation/aircraftmodelloader.h
@@ -92,20 +92,25 @@ namespace BlackMisc
             //! Shutdown
             void gracefulShutdown();
 
+            //! \name Implementations of the models interfaces
+            //! @{
+            virtual void setModels(const CAircraftModelList &models) override  { this->setCachedModels(models, this->m_simulatorInfo); }
+            virtual void updateModels(const CAircraftModelList &models) override  { this->replaceOrAddCachedModels(models, this->m_simulatorInfo); }
+            virtual void setModels(const CAircraftModelList &models, const CSimulatorInfo &simulator) override  { this->setCachedModels(models, simulator); }
+            virtual void updateModels(const CAircraftModelList &models, const CSimulatorInfo &simulator) override  { this->replaceOrAddCachedModels(models, simulator); }
+            //! @}
+
             //! Create a loader and syncronize caches
             static std::unique_ptr<IAircraftModelLoader> createModelLoader(const BlackMisc::Simulation::CSimulatorInfo &simInfo);
 
-            //! Merge with DB data if possible
-            static bool mergeWithDbData(BlackMisc::Simulation::CAircraftModelList &modelsFromSimulator, const BlackMisc::Simulation::CAircraftModelList &dbModels, bool force = false);
-
         public slots:
             //! Set cache from outside, this should only be used in special cases.
             //! But it allows to modify data elsewhere and update the cache with manipulated data.
-            BlackMisc::CStatusMessage setModelsInCache(const CAircraftModelList &models, const CSimulatorInfo &simulator = CSimulatorInfo());
+            BlackMisc::CStatusMessage setCachedModels(const CAircraftModelList &models, const CSimulatorInfo &simulator = CSimulatorInfo());
 
             //! Set cache from outside, this should only be used in special cases.
             //! But it allows to modify data elsewhere and update the cache with manipulated data.
-            BlackMisc::CStatusMessage replaceOrAddModelsInCache(const CAircraftModelList &models, const CSimulatorInfo &simulator = CSimulatorInfo());
+            BlackMisc::CStatusMessage replaceOrAddCachedModels(const CAircraftModelList &models, const CSimulatorInfo &simulator = CSimulatorInfo());
 
         signals:
             //! Parsing is finished
diff --git a/src/blackmisc/simulation/simulatorinfo.cpp b/src/blackmisc/simulation/simulatorinfo.cpp
index 025082130..8e84905c5 100644
--- a/src/blackmisc/simulation/simulatorinfo.cpp
+++ b/src/blackmisc/simulation/simulatorinfo.cpp
@@ -82,6 +82,16 @@ namespace BlackMisc
             return fsx() && fs9() && xplane() && p3d();
         }
 
+        bool CSimulatorInfo::isMicrosoftSimulator() const
+        {
+            return fsx() || fs9();
+        }
+
+        bool CSimulatorInfo::isMicrosoftOrPrepare3DSimulator() const
+        {
+            return isMicrosoftSimulator() || p3d();
+        }
+
         int CSimulatorInfo::numberSimulators() const
         {
             int c = fs9() ? 1 : 0;
diff --git a/src/blackmisc/simulation/simulatorinfo.h b/src/blackmisc/simulation/simulatorinfo.h
index 59b732186..20f9c1c6a 100644
--- a/src/blackmisc/simulation/simulatorinfo.h
+++ b/src/blackmisc/simulation/simulatorinfo.h
@@ -92,6 +92,12 @@ namespace BlackMisc
             //! Is all simulators?
             bool isAllSimulators() const;
 
+            //! Microsoft Simulator?
+            bool isMicrosoftSimulator() const;
+
+            //! Microsoft Simulator or P3D?
+            bool isMicrosoftOrPrepare3DSimulator() const;
+
             //! Number simulators selected
             int numberSimulators() const;