diff --git a/src/blackmisc/simulation/data/modelcaches.cpp b/src/blackmisc/simulation/data/modelcaches.cpp
index d17492a8c..e9d365c4c 100644
--- a/src/blackmisc/simulation/data/modelcaches.cpp
+++ b/src/blackmisc/simulation/data/modelcaches.cpp
@@ -7,9 +7,10 @@
  * contained in the LICENSE file.
  */
 
+#include "blackmisc/simulation/data/modelcaches.h"
+#include "blackmisc/cachesettingsutils.h"
 #include "blackmisc/logmessage.h"
 #include "blackmisc/verify.h"
-#include "blackmisc/simulation/data/modelcaches.h"
 #include <QtGlobal>
 
 using namespace BlackMisc;
@@ -53,6 +54,22 @@ namespace BlackMisc
                 return this->getCachedModels(simulator).size();
             }
 
+            bool IMultiSimulatorModelCaches::hasOtherVersionFile(const CApplicationInfo &info, const CSimulatorInfo &simulator) const
+            {
+                const QString fn = this->getFilename(simulator);
+                return CCacheSettingsUtils::hasOtherVersionCacheFile(info, fn);
+            }
+
+            CSimulatorInfo IMultiSimulatorModelCaches::otherVersionSimulatorsWithFile(const CApplicationInfo &info) const
+            {
+                CSimulatorInfo sim = CSimulatorInfo(CSimulatorInfo::None);
+                if (this->hasOtherVersionFile(info, CSimulatorInfo::fsx())) { sim.addSimulator(CSimulatorInfo::fsx()); }
+                if (this->hasOtherVersionFile(info, CSimulatorInfo::p3d())) { sim.addSimulator(CSimulatorInfo::p3d()); }
+                if (this->hasOtherVersionFile(info, CSimulatorInfo::fs9())) { sim.addSimulator(CSimulatorInfo::fs9()); }
+                if (this->hasOtherVersionFile(info, CSimulatorInfo::xplane())) { sim.addSimulator(CSimulatorInfo::xplane()); }
+                return sim;
+            }
+
             QStringList IMultiSimulatorModelCaches::getAllFilenames() const
             {
                 return QStringList(
diff --git a/src/blackmisc/simulation/data/modelcaches.h b/src/blackmisc/simulation/data/modelcaches.h
index 6c0d5a316..5b3f1b7e1 100644
--- a/src/blackmisc/simulation/data/modelcaches.h
+++ b/src/blackmisc/simulation/data/modelcaches.h
@@ -12,12 +12,13 @@
 #ifndef BLACKMISC_SIMULATION_DATA_MODELCACHES
 #define BLACKMISC_SIMULATION_DATA_MODELCACHES
 
-#include "blackmisc/blackmiscexport.h"
-#include "blackmisc/datacache.h"
 #include "blackmisc/simulation/aircraftmodelinterfaces.h"
 #include "blackmisc/simulation/aircraftmodellist.h"
 #include "blackmisc/simulation/simulatorinfo.h"
+#include "blackmisc/applicationinfo.h"
 #include "blackmisc/statusmessage.h"
+#include "blackmisc/datacache.h"
+#include "blackmisc/blackmiscexport.h"
 
 #include <QDateTime>
 #include <QObject>
@@ -170,6 +171,12 @@ namespace BlackMisc
                 //! Get filename for simulator cache file
                 virtual QString getFilename(const BlackMisc::Simulation::CSimulatorInfo &simulator) const = 0;
 
+                //! Has the other version the file?
+                bool hasOtherVersionFile(const BlackMisc::CApplicationInfo &info, const BlackMisc::Simulation::CSimulatorInfo &simulator) const;
+
+                //! Simulators of given other versionwhich have a cache file
+                BlackMisc::Simulation::CSimulatorInfo otherVersionSimulatorsWithFile(const BlackMisc::CApplicationInfo &info) const;
+
                 //! All file names
                 virtual QStringList getAllFilenames() const;