diff --git a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
index c59d6a44c..fee70aba3 100644
--- a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
+++ b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
@@ -7,11 +7,12 @@
  * contained in the LICENSE file.
  */
 
-#include "blackmisc/predicates.h"
-#include "blackmisc/range.h"
 #include "blackmisc/simulation/aircraftmodel.h"
 #include "blackmisc/simulation/fscommon/aircraftcfgentrieslist.h"
 #include "blackmisc/statusmessagelist.h"
+#include "stringutils.h"
+#include "blackmisc/predicates.h"
+#include "blackmisc/range.h"
 
 using namespace BlackMisc;
 using namespace BlackMisc::Simulation;
@@ -26,9 +27,7 @@ namespace BlackMisc
             bool CAircraftCfgEntriesList::containsModelWithTitle(const QString &title, Qt::CaseSensitivity caseSensitivity)
             {
                 if (title.isEmpty()) { return false; }
-                return this->containsBy(
-                [ = ](const CAircraftCfgEntries & entries) { return title.compare(entries.getTitle(), caseSensitivity) == 0; }
-                       );
+                return this->containsBy([ = ](const CAircraftCfgEntries & entries) { return title.compare(entries.getTitle(), caseSensitivity) == 0; });
             }
 
             QStringList CAircraftCfgEntriesList::detectAmbiguousTitles() const
@@ -58,6 +57,21 @@ namespace BlackMisc
                 return titles;
             }
 
+            QString CAircraftCfgEntriesList::getTitlesAsString(bool sorted, const QString &separator) const
+            {
+                return this->getTitles(sorted).join(separator);
+            }
+
+            bool CAircraftCfgEntriesList::containsTitle(const QString &title) const
+            {
+                if (title.isEmpty()) { return false; }
+                for (const CAircraftCfgEntries &entries : (*this))
+                {
+                    if (stringCompare(entries.getTitle(), title, Qt::CaseInsensitive)) { return true; }
+                }
+                return false;
+            }
+
             CAircraftModelList CAircraftCfgEntriesList::toAircraftModelList(bool ignoreDuplicatesAndEmptyModelStrings, CStatusMessageList &msgs) const
             {
                 CAircraftModelList ml;
diff --git a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.h b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.h
index 8da20dfc6..337fdaae2 100644
--- a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.h
+++ b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.h
@@ -49,6 +49,9 @@ namespace BlackMisc
                 //! All titles (aka model names)
                 QStringList getTitles(bool sorted = false) const;
 
+                //! All titles as string
+                QString getTitlesAsString(bool sorted, const QString &separator = ", ") const;
+
                 //! As aircraft models
                 BlackMisc::Simulation::CAircraftModelList toAircraftModelList(bool ignoreDuplicatesAndEmptyModelStrings, CStatusMessageList &msgs) const;
 
@@ -61,6 +64,9 @@ namespace BlackMisc
                 //! Find by title
                 CAircraftCfgEntriesList findByTitle(const QString &title, Qt::CaseSensitivity caseSensitivity = Qt::CaseInsensitive) const;
 
+                //! Can check if a title (model string) is known
+                bool containsTitle(const QString &title) const;
+
             private:
                 //! Section within file
                 enum FileSection
diff --git a/src/plugins/simulator/fsxcommon/simconnectobject.cpp b/src/plugins/simulator/fsxcommon/simconnectobject.cpp
index aca6293b3..6d1cf3c67 100644
--- a/src/plugins/simulator/fsxcommon/simconnectobject.cpp
+++ b/src/plugins/simulator/fsxcommon/simconnectobject.cpp
@@ -52,6 +52,7 @@ namespace BlackSimPlugin
         {
             m_aircraft = aircraft;
             m_callsignByteArray = aircraft.getCallsignAsString().toLatin1();
+            m_type = aircraft.isTerrainProbe() ? TerrainProbe : Aircraft;
         }
 
         void CSimConnectObject::setAircraftModelString(const QString &modelString)
@@ -327,6 +328,7 @@ namespace BlackSimPlugin
 
         CSimConnectObject CSimConnectObjects::getOldestObject() const
         {
+            if (this->isEmpty()) { return CSimConnectObject(); }
             CSimConnectObject oldestSimObj = *this->begin();
             for (const CSimConnectObject &simObj : this->values())
             {
diff --git a/src/plugins/simulator/fsxcommon/simconnectobject.h b/src/plugins/simulator/fsxcommon/simconnectobject.h
index 3e41a2d2b..f4b9991d4 100644
--- a/src/plugins/simulator/fsxcommon/simconnectobject.h
+++ b/src/plugins/simulator/fsxcommon/simconnectobject.h
@@ -54,6 +54,9 @@ namespace BlackSimPlugin
             //! Get callsign
             const BlackMisc::Aviation::CCallsign &getCallsign() const { return m_aircraft.getCallsign(); }
 
+            //! Get callsign
+            const QString &getCallsignAsString() const { return m_aircraft.getCallsign().asString(); }
+
             //! Callsign?
             bool hasCallsign() const { return !this->getCallsign().isEmpty(); }