diff --git a/src/blackgui/models/aircraftpartslistmodel.h b/src/blackgui/models/aircraftpartslistmodel.h
index e92b56679..9fad49331 100644
--- a/src/blackgui/models/aircraftpartslistmodel.h
+++ b/src/blackgui/models/aircraftpartslistmodel.h
@@ -25,7 +25,7 @@ namespace BlackGui
 {
     namespace Models
     {
-        //! Client list model
+        //! Aircraft parts list model
         class BLACKGUI_EXPORT CAircraftPartsListModel : public CListModelTimestampWithOffsetObjects<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList, true>
         {
         public:
@@ -37,4 +37,5 @@ namespace BlackGui
         };
     } // namespace
 } // namespace
+
 #endif // guard
diff --git a/src/blackgui/models/aircraftsituationchangelistmodel..cpp b/src/blackgui/models/aircraftsituationchangelistmodel..cpp
new file mode 100644
index 000000000..9fefb1a53
--- /dev/null
+++ b/src/blackgui/models/aircraftsituationchangelistmodel..cpp
@@ -0,0 +1,47 @@
+/* Copyright (C) 2018
+ * 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 "blackgui/models/aircraftsituationchangelistmodel.h"
+#include "blackgui/models/columnformatters.h"
+#include "blackgui/models/columns.h"
+#include "blackmisc/aviation/aircraftsituationchangelist.h"
+#include "blackmisc/propertyindex.h"
+
+#include <Qt>
+#include <QtGlobal>
+
+using namespace BlackMisc;
+using namespace BlackMisc::Aviation;
+
+namespace BlackGui
+{
+    namespace Models
+    {
+        CAircraftSituationChangeListModel::CAircraftSituationChangeListModel(QObject *parent) :
+            CListModelTimestampWithOffsetObjects<CAircraftSituationChange, CAircraftSituationChangeList, true>("ViewAircraftPartsList", parent)
+        {
+            this->addTimestampOffsetColumns();
+
+            m_columns.addColumn(CColumn::standardString("situations", CAircraftSituationChange::IndexSituationsCount));
+            m_columns.addColumn(CColumn("null", CAircraftSituationChange::IndexIsNull, new CBoolIconFormatter("null", "not null")));
+            m_columns.addColumn(CColumn("gnd.", CAircraftSituationChange::IndexConstOnGround, new CBoolIconFormatter("const on gnd.", "not const on gnd.")));
+            m_columns.addColumn(CColumn("not gnd.", CAircraftSituationChange::IndexConstNotOnGround, new CBoolIconFormatter("const not on gnd.", "not const not on gnd.")));
+            m_columns.addColumn(CColumn("asc.", CAircraftSituationChange::IndexConstAscending, new CBoolIconFormatter("const ascending", "not const ascending")));
+            m_columns.addColumn(CColumn("desc", CAircraftSituationChange::IndexConstDescending, new CBoolIconFormatter("const decending", "not const decending")));
+            m_columns.addColumn(CColumn("push", CAircraftSituationChange::IndexContainsPushBack, new CBoolIconFormatter("contains pushback", "no pushback")));
+            m_columns.addColumn(CColumn("to.", CAircraftSituationChange::IndexJustTakingOff, new CBoolIconFormatter("just takeoff", "no takeoff")));
+            m_columns.addColumn(CColumn("td.", CAircraftSituationChange::IndexJustTouchingDown, new CBoolIconFormatter("just touching down", "no touchdown")));
+
+            m_columns.addColumn(CColumn("alt.mean", CAircraftSituationChange::IndexAltitudeMean, new CAltitudeFormatter()));
+            m_columns.addColumn(CColumn("alt.dev.", CAircraftSituationChange::IndexAltitudeStdDev, new CAltitudeFormatter()));
+            m_columns.addColumn(CColumn("elv.mean", CAircraftSituationChange::IndexElevationMean, new CAltitudeFormatter()));
+            m_columns.addColumn(CColumn("elv.dev.", CAircraftSituationChange::IndexElevationStdDev, new CAltitudeFormatter()));
+        }
+    } // namespace
+} // namespace
diff --git a/src/blackgui/models/aircraftsituationchangelistmodel.h b/src/blackgui/models/aircraftsituationchangelistmodel.h
new file mode 100644
index 000000000..3a6429e1d
--- /dev/null
+++ b/src/blackgui/models/aircraftsituationchangelistmodel.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 2018
+ * 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.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_MODELS_AIRCRAFTSITUATIONCHANGELISTMODEL_H
+#define BLACKGUI_MODELS_AIRCRAFTSITUATIONCHANGELISTMODEL_H
+
+#include "blackgui/blackguiexport.h"
+#include "blackgui/models/listmodeltimestampobjects.h"
+#include "blackmisc/aviation/aircraftsituationchangelist.h"
+
+#include <QVariant>
+
+class QModelIndex;
+class QObject;
+
+namespace BlackGui
+{
+    namespace Models
+    {
+        //! Aircraft situation changes list model
+        class BLACKGUI_EXPORT CAircraftSituationChangeListModel : public CListModelTimestampWithOffsetObjects<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList, true>
+        {
+        public:
+            //! Constructor
+            explicit CAircraftSituationChangeListModel(QObject *parent = nullptr);
+
+            //! Destructor
+            virtual ~CAircraftSituationChangeListModel() {}
+        };
+    } // namespace
+} // namespace
+
+#endif // guard
diff --git a/src/blackgui/models/allmodelcontainers.h b/src/blackgui/models/allmodelcontainers.h
index 52db51f3b..f56c16377 100644
--- a/src/blackgui/models/allmodelcontainers.h
+++ b/src/blackgui/models/allmodelcontainers.h
@@ -21,6 +21,7 @@
 #include "blackmisc/aviation/atcstationlist.h"
 #include "blackmisc/aviation/aircraftpartslist.h"
 #include "blackmisc/aviation/aircraftsituationlist.h"
+#include "blackmisc/aviation/aircraftsituationchangelist.h"
 #include "blackmisc/aviation/liverylist.h"
 #include "blackmisc/network/clientlist.h"
 #include "blackmisc/network/serverlist.h"
diff --git a/src/blackgui/models/allmodels.h b/src/blackgui/models/allmodels.h
index b8a3e8e04..e18182c3c 100644
--- a/src/blackgui/models/allmodels.h
+++ b/src/blackgui/models/allmodels.h
@@ -15,6 +15,7 @@
 #include "blackgui/models/aircraftmodellistmodel.h"
 #include "blackgui/models/aircraftpartslistmodel.h"
 #include "blackgui/models/aircraftsituationlistmodel.h"
+#include "blackgui/models/aircraftsituationchangelistmodel.h"
 #include "blackgui/models/airlineicaolistmodel.h"
 #include "blackgui/models/airportlistmodel.h"
 #include "blackgui/models/applicationinfolistmodel.h"
diff --git a/src/blackgui/models/listmodelbase.cpp b/src/blackgui/models/listmodelbase.cpp
index 9a8e2f1d1..801db6252 100644
--- a/src/blackgui/models/listmodelbase.cpp
+++ b/src/blackgui/models/listmodelbase.cpp
@@ -770,6 +770,7 @@ namespace BlackGui
         template class CListModelBase<BlackMisc::Aviation::CAirlineIcaoCode, BlackMisc::Aviation::CAirlineIcaoCodeList, true>;
         template class CListModelBase<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList, true>;
         template class CListModelBase<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList, true>;
+        template class CListModelBase<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList, true>;
         template class CListModelBase<BlackMisc::Network::CServer, BlackMisc::Network::CServerList, true>;
         template class CListModelBase<BlackMisc::Network::CUser, BlackMisc::Network::CUserList, true>;
         template class CListModelBase<BlackMisc::Network::CTextMessage, BlackMisc::Network::CTextMessageList, false>;
diff --git a/src/blackgui/models/listmodeltimestampobjects.cpp b/src/blackgui/models/listmodeltimestampobjects.cpp
index 6cf138e00..f212a467a 100644
--- a/src/blackgui/models/listmodeltimestampobjects.cpp
+++ b/src/blackgui/models/listmodeltimestampobjects.cpp
@@ -35,6 +35,7 @@ namespace BlackGui
         template class CListModelTimestampObjects<BlackMisc::CStatusMessage, BlackMisc::CStatusMessageList, true>;
         template class CListModelTimestampObjects<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList, true>;
         template class CListModelTimestampObjects<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList, true>;
+        template class CListModelTimestampObjects<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList, true>;
 
         template <typename ObjectType, typename ContainerType, bool UseCompare>
         CListModelTimestampWithOffsetObjects<ObjectType, ContainerType, UseCompare>::CListModelTimestampWithOffsetObjects(const QString &translationContext, QObject *parent) :
@@ -59,5 +60,6 @@ namespace BlackGui
 
         template class CListModelTimestampWithOffsetObjects<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList, true>;
         template class CListModelTimestampWithOffsetObjects<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList, true>;
+        template class CListModelTimestampWithOffsetObjects<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList, true>;
     } // namespace
 } // namespace
diff --git a/src/blackgui/views/aircraftsituationchangeview.cpp b/src/blackgui/views/aircraftsituationchangeview.cpp
new file mode 100644
index 000000000..611918d72
--- /dev/null
+++ b/src/blackgui/views/aircraftsituationchangeview.cpp
@@ -0,0 +1,25 @@
+/* Copyright (C) 2018
+ * 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 "blackgui/views/aircraftsituationchangeview.h"
+
+using namespace BlackGui::Models;
+
+namespace BlackGui
+{
+    namespace Views
+    {
+        CAircraftSituationChangeView::CAircraftSituationChangeView(QWidget *parent) :
+            CViewWithTimestampWithOffsetObjects(parent)
+        {
+            this->standardInit(new CAircraftSituationChangeListModel(this));
+            this->setMenu(MenuDefault);
+        }
+    } // ns
+} // ns
diff --git a/src/blackgui/views/aircraftsituationchangeview.h b/src/blackgui/views/aircraftsituationchangeview.h
new file mode 100644
index 000000000..2fb6aa562
--- /dev/null
+++ b/src/blackgui/views/aircraftsituationchangeview.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2018
+ * 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.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_VIEWS_AIRCRAFTSITUATIONCHANGEVIEW_H
+#define BLACKGUI_VIEWS_AIRCRAFTSITUATIONCHANGEVIEW_H
+
+#include "blackgui/views/viewtimestampobjects.h"
+#include "blackgui/models/aircraftsituationchangelistmodel.h"
+#include "blackgui/blackguiexport.h"
+#include "blackmisc/aviation/aircraftsituationchangelist.h"
+
+class QWidget;
+
+namespace BlackGui
+{
+    namespace Views
+    {
+        //! Aircraft situation change view
+        class BLACKGUI_EXPORT CAircraftSituationChangeView : public CViewWithTimestampWithOffsetObjects<Models::CAircraftSituationChangeListModel, BlackMisc::Aviation::CAircraftSituationChangeList, BlackMisc::Aviation::CAircraftSituationChange>
+        {
+        public:
+            //! Constructor
+            explicit CAircraftSituationChangeView(QWidget *parent = nullptr);
+        };
+    } // ns
+} // ns
+
+#endif // guard
diff --git a/src/blackgui/views/viewbase.cpp b/src/blackgui/views/viewbase.cpp
index 8a1942d84..5d15ac081 100644
--- a/src/blackgui/views/viewbase.cpp
+++ b/src/blackgui/views/viewbase.cpp
@@ -1708,6 +1708,7 @@ namespace BlackGui
         template class CViewBase<BlackGui::Models::CAircraftModelListModel, BlackMisc::Simulation::CAircraftModelList, BlackMisc::Simulation::CAircraftModel>;
         template class CViewBase<BlackGui::Models::CAircraftPartsListModel, BlackMisc::Aviation::CAircraftPartsList, BlackMisc::Aviation::CAircraftParts>;
         template class CViewBase<BlackGui::Models::CAircraftSituationListModel, BlackMisc::Aviation::CAircraftSituationList, BlackMisc::Aviation::CAircraftSituation>;
+        template class CViewBase<BlackGui::Models::CAircraftSituationChangeListModel, BlackMisc::Aviation::CAircraftSituationChangeList, BlackMisc::Aviation::CAircraftSituationChange>;
         template class CViewBase<BlackGui::Models::CAirlineIcaoCodeListModel, BlackMisc::Aviation::CAirlineIcaoCodeList, BlackMisc::Aviation::CAirlineIcaoCode>;
         template class CViewBase<BlackGui::Models::CAirportListModel, BlackMisc::Aviation::CAirportList, BlackMisc::Aviation::CAirport>;
         template class CViewBase<BlackGui::Models::CApplicationInfoListModel, BlackMisc::CApplicationInfoList, BlackMisc::CApplicationInfo>;
diff --git a/src/blackgui/views/viewtimestampobjects.cpp b/src/blackgui/views/viewtimestampobjects.cpp
index f5331339f..8a3609d08 100644
--- a/src/blackgui/views/viewtimestampobjects.cpp
+++ b/src/blackgui/views/viewtimestampobjects.cpp
@@ -10,6 +10,7 @@
 #include "blackgui/views/viewtimestampobjects.h"
 #include "blackgui/models/aircraftpartslistmodel.h"
 #include "blackgui/models/aircraftsituationlistmodel.h"
+#include "blackgui/models/aircraftsituationchangelistmodel.h"
 #include <QAction>
 
 using namespace BlackMisc;
@@ -36,6 +37,7 @@ namespace BlackGui
 
         template class CViewWithTimestampWithOffsetObjects<BlackGui::Models::CAircraftPartsListModel, BlackMisc::Aviation::CAircraftPartsList, BlackMisc::Aviation::CAircraftParts>;
         template class CViewWithTimestampWithOffsetObjects<BlackGui::Models::CAircraftSituationListModel, BlackMisc::Aviation::CAircraftSituationList, BlackMisc::Aviation::CAircraftSituation>;
+        template class CViewWithTimestampWithOffsetObjects<BlackGui::Models::CAircraftSituationChangeListModel, BlackMisc::Aviation::CAircraftSituationChangeList, BlackMisc::Aviation::CAircraftSituationChange>;
 
     } // namespace
 } // namespace
diff --git a/src/blackmisc/aviation/aircraftsituationchange.cpp b/src/blackmisc/aviation/aircraftsituationchange.cpp
index 5db15d19d..dc35934bb 100644
--- a/src/blackmisc/aviation/aircraftsituationchange.cpp
+++ b/src/blackmisc/aviation/aircraftsituationchange.cpp
@@ -14,6 +14,7 @@
 #include "blackmisc/pq/angle.h"
 #include "blackmisc/pq/units.h"
 #include "blackmisc/math/mathutils.h"
+#include "blackmisc/comparefunctions.h"
 #include "blackmisc/propertyindex.h"
 #include "blackmisc/variant.h"
 #include "blackmisc/verify.h"
@@ -113,22 +114,27 @@ namespace BlackMisc
 
         CVariant CAircraftSituationChange::propertyByIndex(const CPropertyIndex &index) const
         {
-            if (index.isMyself()) { return CVariant::from(*this); }
+            if (index.isMyself()) { return CVariant::fromValue(*this); }
             if (ITimestampWithOffsetBased::canHandleIndex(index)) { return ITimestampWithOffsetBased::propertyByIndex(index); }
 
             const ColumnIndex i = index.frontCasted<ColumnIndex>();
             switch (i)
             {
             case IndexCallsign: return m_correspondingCallsign.propertyByIndex(index.copyFrontRemoved());
-            case IndexConstAscending: return CVariant::from(m_constAscending);
-            case IndexConstDescending: return CVariant::from(m_constDescending);
-            case IndexConstNotOnGround: return CVariant::from(m_constNotOnGround);
-            case IndexConstOnGround: return CVariant::from(m_constOnGround);
-            case IndexIsNull: return CVariant::from(this->isNull());
-            case IndexJustTakingOff: return CVariant::from(m_justTakeoff);
-            case IndexJustTouchingDown: return CVariant::from(m_justTouchdown);
-            case IndexRotatingUp: return CVariant::from(m_rotateUp);
-            case IndexContainsPushBack: return CVariant::from(m_containsPushBack);
+            case IndexSituationsCount: return CVariant::fromValue(m_situationsCount);
+            case IndexConstAscending: return CVariant::fromValue(m_constAscending);
+            case IndexConstDescending: return CVariant::fromValue(m_constDescending);
+            case IndexConstNotOnGround: return CVariant::fromValue(m_constNotOnGround);
+            case IndexConstOnGround: return CVariant::fromValue(m_constOnGround);
+            case IndexIsNull: return CVariant::fromValue(this->isNull());
+            case IndexJustTakingOff: return CVariant::fromValue(m_justTakeoff);
+            case IndexJustTouchingDown: return CVariant::fromValue(m_justTouchdown);
+            case IndexRotatingUp: return CVariant::fromValue(m_rotateUp);
+            case IndexContainsPushBack: return CVariant::fromValue(m_containsPushBack);
+            case IndexAltitudeMean: return CVariant::fromValue(m_altMean);
+            case IndexAltitudeStdDev: return CVariant::fromValue(m_altStdDev);
+            case IndexElevationMean: return CVariant::fromValue(m_elvMean);
+            case IndexElevationStdDev: return CVariant::fromValue(m_elvStdDev);
             default: return CValueObject::propertyByIndex(index);
             }
         }
@@ -142,6 +148,7 @@ namespace BlackMisc
             switch (i)
             {
             case IndexCallsign: m_correspondingCallsign.setPropertyByIndex(index.copyFrontRemoved(), variant); break;
+            case IndexSituationsCount: m_situationsCount = variant.toInt(); break;
             case IndexConstAscending: m_constAscending = variant.toBool(); break;
             case IndexConstDescending: m_constDescending = variant.toBool(); break;
             case IndexConstNotOnGround: m_constNotOnGround = variant.toBool(); break;
@@ -150,11 +157,45 @@ namespace BlackMisc
             case IndexJustTouchingDown: m_justTouchdown = variant.toBool(); break;
             case IndexRotatingUp: m_rotateUp = variant.toBool(); break;
             case IndexContainsPushBack: m_containsPushBack = variant.toBool(); break;
-            case IndexIsNull: break;
+            case IndexIsNull:
+            case IndexAltitudeMean:
+            case IndexAltitudeStdDev:
+            case IndexElevationMean:
+            case IndexElevationStdDev:
+                break; // read only
             default: CValueObject::setPropertyByIndex(index, variant); break;
             }
         }
 
+        int CAircraftSituationChange::comparePropertyByIndex(const CPropertyIndex &index, const CAircraftSituationChange &compareValue) const
+        {
+            if (index.isMyself()) { return ITimestampWithOffsetBased::comparePropertyByIndex(CPropertyIndex(), compareValue); }
+            if (ITimestampWithOffsetBased::canHandleIndex(index)) { return ITimestampWithOffsetBased::comparePropertyByIndex(index, compareValue); }
+
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
+            switch (i)
+            {
+            case IndexCallsign: return m_correspondingCallsign.comparePropertyByIndex(index.copyFrontRemoved(), compareValue.getCallsign());
+            case IndexSituationsCount: return Compare::compare(this->getSituationsCount(), compareValue.getSituationsCount());
+            case IndexConstAscending: return Compare::compare(this->isConstAscending(), compareValue.isConstAscending());
+            case IndexConstDescending: return Compare::compare(this->isConstDescending(), compareValue.isConstDescending());
+            case IndexConstNotOnGround: return Compare::compare(this->isConstNotOnGround(), compareValue.isConstNotOnGround());
+            case IndexConstOnGround: return Compare::compare(this->isConstOnGround(), compareValue.isConstOnGround());
+            case IndexJustTakingOff: return Compare::compare(this->isJustTakingOff(), compareValue.isJustTakingOff());
+            case IndexJustTouchingDown: return Compare::compare(this->isJustTouchingDown(), compareValue.isJustTouchingDown());
+            case IndexRotatingUp: return Compare::compare(this->isRotatingUp(), compareValue.isRotatingUp());
+            case IndexContainsPushBack: return Compare::compare(this->containsPushBack(), compareValue.containsPushBack());
+            case IndexIsNull: return Compare::compare(this->isNull(), compareValue.isNull());
+            case IndexAltitudeMean: return m_altMean.comparePropertyByIndex(index.copyFrontRemoved(), compareValue.m_altMean);
+            case IndexAltitudeStdDev: return m_altStdDev.comparePropertyByIndex(index.copyFrontRemoved(), compareValue.m_altStdDev);
+            case IndexElevationMean: return m_elvMean.comparePropertyByIndex(index.copyFrontRemoved(), compareValue.m_elvMean);
+            case IndexElevationStdDev: return m_elvStdDev.comparePropertyByIndex(index.copyFrontRemoved(), compareValue.m_elvStdDev);
+            default: return CValueObject::comparePropertyByIndex(index, *this);
+            }
+            Q_ASSERT_X(false, Q_FUNC_INFO, "No comparison");
+            return 0;
+        }
+
         bool CAircraftSituationChange::calculateStdDeviations(const CAircraftSituationList &situations, const CLength &cg)
         {
             if (situations.isEmpty()) { return false; }
diff --git a/src/blackmisc/aviation/aircraftsituationchange.h b/src/blackmisc/aviation/aircraftsituationchange.h
index 3df028acc..42d2f9d7a 100644
--- a/src/blackmisc/aviation/aircraftsituationchange.h
+++ b/src/blackmisc/aviation/aircraftsituationchange.h
@@ -50,7 +50,11 @@ namespace BlackMisc
                 IndexJustTakingOff,
                 IndexJustTouchingDown,
                 IndexRotatingUp,
-                IndexContainsPushBack
+                IndexContainsPushBack,
+                IndexAltitudeMean,
+                IndexAltitudeStdDev,
+                IndexElevationMean,
+                IndexElevationStdDev,
             };
 
             //! Hint about the guessed scenery deviation
@@ -157,6 +161,9 @@ namespace BlackMisc
             //! \copydoc Mixin::Index::setPropertyByIndex
             void setPropertyByIndex(const CPropertyIndex &index, const CVariant &variant);
 
+            //! \copydoc Mixin::Index::comparePropertyByIndex
+            int comparePropertyByIndex(const CPropertyIndex &index, const CAircraftSituationChange &compareValue) const;
+
             //! Calculate the standard deviiations
             bool calculateStdDeviations(const CAircraftSituationList &situations, const PhysicalQuantities::CLength &cg);
 
diff --git a/src/blackmisc/aviation/aircraftsituationchangelist.cpp b/src/blackmisc/aviation/aircraftsituationchangelist.cpp
new file mode 100644
index 000000000..142e7ea09
--- /dev/null
+++ b/src/blackmisc/aviation/aircraftsituationchangelist.cpp
@@ -0,0 +1,28 @@
+/* Copyright (C) 2018
+ * 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 "blackmisc/aviation/aircraftsituationchangelist.h"
+
+#include <tuple>
+
+namespace BlackMisc
+{
+    namespace Aviation
+    {
+        CAircraftSituationChangeList::CAircraftSituationChangeList() { }
+
+        CAircraftSituationChangeList::CAircraftSituationChangeList(const CSequence<CAircraftSituationChange> &other) :
+            CSequence<CAircraftSituationChange>(other)
+        { }
+
+        CAircraftSituationChangeList::CAircraftSituationChangeList(std::initializer_list<CAircraftSituationChange> il) :
+            CSequence<CAircraftSituationChange>(il)
+        { }
+    } // namespace
+} // namespace
diff --git a/src/blackmisc/aviation/aircraftsituationchangelist.h b/src/blackmisc/aviation/aircraftsituationchangelist.h
new file mode 100644
index 000000000..9ad345e2a
--- /dev/null
+++ b/src/blackmisc/aviation/aircraftsituationchangelist.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 2018
+ * 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.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_AVIATION_AIRCRAFTSITUATIONCHANGELIST_H
+#define BLACKMISC_AVIATION_AIRCRAFTSITUATIONCHANGELIST_H
+
+#include "blackmisc/blackmiscexport.h"
+#include "blackmisc/collection.h"
+#include "blackmisc/sequence.h"
+#include "blackmisc/aviation/aircraftsituationchange.h"
+#include "blackmisc/timestampobjectlist.h"
+#include "blackmisc/variant.h"
+
+#include <QMetaType>
+
+namespace BlackMisc
+{
+    namespace Aviation
+    {
+        //! Value object encapsulating a list of aircraft parts.
+        class BLACKMISC_EXPORT CAircraftSituationChangeList :
+            public CSequence<CAircraftSituationChange>,
+            public ITimestampWithOffsetObjectList<CAircraftSituationChange, CAircraftSituationChangeList>,
+            public Mixin::MetaType<CAircraftSituationChangeList>
+        {
+        public:
+            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CAircraftSituationChangeList)
+
+            //! Default constructor.
+            CAircraftSituationChangeList();
+
+            //! Construct from a base class object.
+            CAircraftSituationChangeList(const CSequence<CAircraftSituationChange> &other);
+
+            //! Construct from initializer list.
+            CAircraftSituationChangeList(std::initializer_list<CAircraftSituationChange> il);
+        };
+    } //namespace
+} // namespace
+
+Q_DECLARE_METATYPE(BlackMisc::Aviation::CAircraftSituationChangeList)
+Q_DECLARE_METATYPE(BlackMisc::CCollection<BlackMisc::Aviation::CAircraftSituationChange>)
+Q_DECLARE_METATYPE(BlackMisc::CSequence<BlackMisc::Aviation::CAircraftSituationChange>)
+
+#endif //guard
diff --git a/src/blackmisc/timestampobjectlist.cpp b/src/blackmisc/timestampobjectlist.cpp
index e2c1e2005..f8d7bef39 100644
--- a/src/blackmisc/timestampobjectlist.cpp
+++ b/src/blackmisc/timestampobjectlist.cpp
@@ -9,6 +9,7 @@
 
 #include "blackmisc/aviation/aircraftsituationlist.h"
 #include "blackmisc/aviation/aircraftpartslist.h"
+#include "blackmisc/aviation/aircraftsituationchangelist.h"
 #include "blackmisc/aviation/liverylist.h"
 #include "blackmisc/aviation/aircrafticaocodelist.h"
 #include "blackmisc/aviation/airlineicaocodelist.h"
@@ -574,8 +575,10 @@ namespace BlackMisc
 
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList>;
     //! \endcond
 
 } // namespace
diff --git a/src/blackmisc/timestampobjectlist.h b/src/blackmisc/timestampobjectlist.h
index eb99212e7..1c54bb1d2 100644
--- a/src/blackmisc/timestampobjectlist.h
+++ b/src/blackmisc/timestampobjectlist.h
@@ -213,6 +213,8 @@ namespace BlackMisc
     {
         class CAircraftSituation;
         class CAircraftSituationList;
+        class CAircraftSituationChange;
+        class CAircraftSituationChangeList;
         class CAircraftParts;
         class CAircraftPartsList;
         class CAirport;
@@ -277,10 +279,12 @@ namespace BlackMisc
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
 
     // for the derived version both templates are required
-    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
-    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList>;
     extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
+    extern template class BLACKMISC_EXPORT_DECLARE_TEMPLATE ITimestampWithOffsetObjectList<BlackMisc::Aviation::CAircraftSituationChange, BlackMisc::Aviation::CAircraftSituationChangeList>;
     //! \endcond
 
 } //namespace