diff --git a/src/plugins/simulator/xplane/simulatorxplane.cpp b/src/plugins/simulator/xplane/simulatorxplane.cpp
index 0ddb4fd56..8445da9d4 100644
--- a/src/plugins/simulator/xplane/simulatorxplane.cpp
+++ b/src/plugins/simulator/xplane/simulatorxplane.cpp
@@ -254,6 +254,7 @@ namespace BlackSimPlugin
                 m_traffic->updateInstalledModels();
                 m_watcher->setConnection(m_conn);
                 reloadWeatherSettings();
+                loadCslPackages();
                 emitSimulatorCombinedStatus();
                 return true;
             }
@@ -434,6 +435,49 @@ namespace BlackSimPlugin
             return false;
         }
 
+        void CSimulatorXPlane::loadCslPackages()
+        {
+            struct Prefix { QString s; };
+            struct PrefixComparator
+            {
+                bool operator()(const Prefix &a, const QString &b) const { return QStringRef(&a.s) < b.leftRef(a.s.size()); }
+                bool operator()(const QString &a, const Prefix &b) const { return a.leftRef(b.s.size()) < QStringRef(&b.s); }
+            };
+            QList<Prefix> packages;
+
+            Q_ASSERT(isConnected());
+            for (const auto &model : m_modelSet.getThreadLocal())
+            {
+                const QString &modelFile = model.getFileName();
+                if (modelFile.isEmpty() || ! QFile::exists(modelFile)) { continue; }
+                auto it = std::lower_bound(packages.begin(), packages.end(), modelFile, PrefixComparator());
+                if (it != packages.end() && modelFile.startsWith(it->s)) { continue; }
+                QString package = findCslPackage(modelFile);
+                if (package.isEmpty()) { continue; }
+                packages.insert(it, { package.append('/') });
+            }
+            for (auto package : packages)
+            {
+                Q_ASSERT(package.s.endsWith('/'));
+                package.s.chop(1);
+                m_traffic->loadPlanesPackage(package.s);
+            }
+        }
+
+        QString CSimulatorXPlane::findCslPackage(const QString &modelFile)
+        {
+            QDir dir = QFileInfo(modelFile).dir();
+            do
+            {
+                if (dir.exists(QStringLiteral("xsb_aircraft.txt")))
+                {
+                    if (dir.cdUp()) { return dir.path(); }
+                }
+            } while(dir.cdUp());
+            CLogMessage(this).warning("Failed to find CSL package for %1") << modelFile;
+            return {};
+        }
+
         bool CSimulatorXPlane::physicallyAddRemoteAircraft(const CSimulatedAircraft &newRemoteAircraft)
         {
             Q_ASSERT(isConnected());
diff --git a/src/plugins/simulator/xplane/simulatorxplane.h b/src/plugins/simulator/xplane/simulatorxplane.h
index 06907358f..c46578755 100644
--- a/src/plugins/simulator/xplane/simulatorxplane.h
+++ b/src/plugins/simulator/xplane/simulatorxplane.h
@@ -21,6 +21,7 @@
 #include "blackmisc/pq/time.h"
 #include "blackmisc/pq/units.h"
 #include "blackmisc/simulation/aircraftmodellist.h"
+#include "blackmisc/simulation/data/modelcaches.h"
 #include "blackmisc/simulation/simulatorsettings.h"
 #include "blackmisc/weather/weathergrid.h"
 #include "blackmisc/settingscache.h"
@@ -134,6 +135,9 @@ namespace BlackSimPlugin
             void ps_installedModelsUpdated(const QStringList &modelStrings, const QStringList &icaos, const QStringList &airlines, const QStringList &liveries);
 
         private:
+            void loadCslPackages();
+            QString findCslPackage(const QString &modelFileName);
+
             //! Inject weather grid to simulator
             void injectWeatherGrid(const BlackMisc::Weather::CWeatherGrid &weatherGrid);
             void reloadWeatherSettings();
@@ -147,6 +151,7 @@ namespace BlackSimPlugin
             QTimer *m_slowTimer { nullptr };
             BlackMisc::Aviation::CAirportList m_airportsInRange;         //!< aiports in range of own aircraft
             BlackMisc::Simulation::CAircraftModelList m_installedModels; //!< \todo Do we still need this, as we now focus on model set
+            BlackMisc::CData<BlackMisc::Simulation::Data::TModelSetCacheXP> m_modelSet { this };
 
             BlackMisc::Geo::CCoordinateGeodetic m_lastWeatherPosition; //!< Own aircraft position at which weather was fetched and injected last
             BlackMisc::CSetting<BlackMisc::Simulation::TSelectedWeatherScenario> m_weatherScenarioSettings { this, &CSimulatorXPlane::reloadWeatherSettings };