diff --git a/src/blackmisc/audiodevice.h b/src/blackmisc/audiodevice.h
index cdce893f9..7cfe365aa 100644
--- a/src/blackmisc/audiodevice.h
+++ b/src/blackmisc/audiodevice.h
@@ -86,7 +86,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Device index for default device
diff --git a/src/blackmisc/avaircraft.h b/src/blackmisc/avaircraft.h
index 0a89c13e7..f9619635b 100644
--- a/src/blackmisc/avaircraft.h
+++ b/src/blackmisc/avaircraft.h
@@ -240,7 +240,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! Members
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/avaircrafticao.h b/src/blackmisc/avaircrafticao.h
index 19dfb69b9..dcd3ac125 100644
--- a/src/blackmisc/avaircrafticao.h
+++ b/src/blackmisc/avaircrafticao.h
@@ -160,7 +160,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! Members
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Valid designator?
diff --git a/src/blackmisc/avairport.h b/src/blackmisc/avairport.h
index e7e13b9d5..b1f0943e6 100644
--- a/src/blackmisc/avairport.h
+++ b/src/blackmisc/avairport.h
@@ -135,12 +135,12 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! \copydoc TupleConverter::jsonMembers()
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/avaltitude.cpp b/src/blackmisc/avaltitude.cpp
index 83a41b5cd..6bb6baa18 100644
--- a/src/blackmisc/avaltitude.cpp
+++ b/src/blackmisc/avaltitude.cpp
@@ -153,7 +153,7 @@ namespace BlackMisc
         }
 
         /*
-         * To JSON
+         * From JSON
          */
         void CAltitude::convertFromJson(const QJsonObject &json)
         {
diff --git a/src/blackmisc/avaltitude.h b/src/blackmisc/avaltitude.h
index 5988c0611..b5e8c774c 100644
--- a/src/blackmisc/avaltitude.h
+++ b/src/blackmisc/avaltitude.h
@@ -103,7 +103,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \copydoc CValueObject::toQVariant
             virtual QVariant toQVariant() const override { return QVariant::fromValue(*this); }
@@ -112,10 +112,10 @@ namespace BlackMisc
             virtual void convertFromQVariant(const QVariant &variant) override { BlackMisc::setFromQVariant(this, variant); }
 
             //! \copydoc CValueObject::parseFromString(const QString &value)
-            void parseFromString(const QString &value) override;
+            virtual void parseFromString(const QString &value) override;
 
             //! \copydoc CValueObject::parseFromString(const QString &value, BlackMisc::PhysicalQuantities::CPqString::SeparatorMode mode)
-            void parseFromString(const QString &value, BlackMisc::PhysicalQuantities::CPqString::SeparatorMode mode) override;
+            virtual void parseFromString(const QString &value, BlackMisc::PhysicalQuantities::CPqString::SeparatorMode mode) override;
 
             //! \copydoc CValueObject::toIcon
             BlackMisc::CIcon toIcon() const override;
@@ -123,7 +123,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
         };
 
diff --git a/src/blackmisc/avatcstation.h b/src/blackmisc/avatcstation.h
index e5edaf59c..e8b154c47 100644
--- a/src/blackmisc/avatcstation.h
+++ b/src/blackmisc/avatcstation.h
@@ -285,12 +285,12 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/avcallsign.cpp b/src/blackmisc/avcallsign.cpp
index 090eb15b5..1f2cc7538 100644
--- a/src/blackmisc/avcallsign.cpp
+++ b/src/blackmisc/avcallsign.cpp
@@ -114,7 +114,7 @@ namespace BlackMisc
         }
 
         /*
-         * To JSON
+         * From JSON
          */
         void CCallsign::convertFromJson(const QJsonObject &json)
         {
diff --git a/src/blackmisc/avheading.h b/src/blackmisc/avheading.h
index 6ec9870f0..c51e91693 100644
--- a/src/blackmisc/avheading.h
+++ b/src/blackmisc/avheading.h
@@ -94,12 +94,12 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \brief Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
         };
 
diff --git a/src/blackmisc/avinformationmessage.h b/src/blackmisc/avinformationmessage.h
index 91bf36d32..c68e5e799 100644
--- a/src/blackmisc/avinformationmessage.h
+++ b/src/blackmisc/avinformationmessage.h
@@ -115,12 +115,12 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
 
-            //! Members
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/aviotransponder.h b/src/blackmisc/aviotransponder.h
index 4ad697abf..4aaae74c2 100644
--- a/src/blackmisc/aviotransponder.h
+++ b/src/blackmisc/aviotransponder.h
@@ -163,7 +163,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \copydoc CValueObject::toQVariant
             virtual QVariant toQVariant() const override  { return QVariant::fromValue(*this); }
@@ -177,7 +177,7 @@ namespace BlackMisc
             //! \copydoc CValueObject::setPropertyByIndex(variant, index)
             virtual void setPropertyByIndex(const QVariant &variant, const BlackMisc::CPropertyIndex &index) override;
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Is valid transponder code?
diff --git a/src/blackmisc/avselcal.h b/src/blackmisc/avselcal.h
index ad62dfec7..7ca1249f6 100644
--- a/src/blackmisc/avselcal.h
+++ b/src/blackmisc/avselcal.h
@@ -71,12 +71,12 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Equals given string
diff --git a/src/blackmisc/avtrack.h b/src/blackmisc/avtrack.h
index 274fe0304..df739c1e0 100644
--- a/src/blackmisc/avtrack.h
+++ b/src/blackmisc/avtrack.h
@@ -81,7 +81,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \brief Register metadata
             static void registerMetadata();
diff --git a/src/blackmisc/containerbase.h b/src/blackmisc/containerbase.h
index c8eea8fcc..20b78c767 100644
--- a/src/blackmisc/containerbase.h
+++ b/src/blackmisc/containerbase.h
@@ -114,7 +114,7 @@ namespace BlackMisc
         }
 
         //! \copydoc CValueObject::convertFromJson
-        void convertFromJson(const QJsonObject &json) override
+        virtual void convertFromJson(const QJsonObject &json) override
         {
             QJsonArray array = json.value("containerbase").toArray();
             for (auto i = array.begin(); i != array.end(); ++i)
diff --git a/src/blackmisc/coordinategeodetic.h b/src/blackmisc/coordinategeodetic.h
index dde73ba4a..7f13669df 100644
--- a/src/blackmisc/coordinategeodetic.h
+++ b/src/blackmisc/coordinategeodetic.h
@@ -193,7 +193,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
diff --git a/src/blackmisc/dictionary.h b/src/blackmisc/dictionary.h
index 8692c200f..a764fc9af 100644
--- a/src/blackmisc/dictionary.h
+++ b/src/blackmisc/dictionary.h
@@ -231,7 +231,7 @@ namespace BlackMisc
         }
 
         //! \copydoc CValueObject::convertFromJson
-        void convertFromJson(const QJsonObject &json) override
+        virtual void convertFromJson(const QJsonObject &json) override
         {
             QJsonArray array = json.value("associativecontainerbase").toArray();
             for (auto it = array.begin(); it != array.end(); ++it)
diff --git a/src/blackmisc/hotkeyfunction.h b/src/blackmisc/hotkeyfunction.h
index c33baf861..628fa2526 100644
--- a/src/blackmisc/hotkeyfunction.h
+++ b/src/blackmisc/hotkeyfunction.h
@@ -62,7 +62,7 @@ namespace BlackMisc
         virtual QJsonObject toJson() const override;
 
         //! \copydoc CValueObject::convertFromJson
-        void convertFromJson(const QJsonObject &json) override;
+        virtual void convertFromJson(const QJsonObject &json) override;
 
         //! Register metadata
         static void registerMetadata();
diff --git a/src/blackmisc/hwkeyboardkey.h b/src/blackmisc/hwkeyboardkey.h
index 41a63bed9..c045e7672 100644
--- a/src/blackmisc/hwkeyboardkey.h
+++ b/src/blackmisc/hwkeyboardkey.h
@@ -78,7 +78,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
diff --git a/src/blackmisc/icon.h b/src/blackmisc/icon.h
index 826e21732..1c308095c 100644
--- a/src/blackmisc/icon.h
+++ b/src/blackmisc/icon.h
@@ -73,7 +73,7 @@ namespace BlackMisc
         //! Register metadata
         static void registerMetadata();
 
-        //! \copydoc TupleConverter<>::jsonMembers()
+        //! JSON member names
         static const QStringList &jsonMembers();
 
         //! Implicit conversion
diff --git a/src/blackmisc/mathmatrixbase.h b/src/blackmisc/mathmatrixbase.h
index 353e52434..c142502ba 100644
--- a/src/blackmisc/mathmatrixbase.h
+++ b/src/blackmisc/mathmatrixbase.h
@@ -249,7 +249,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
         private:
             //! \brief Check range of row / column
diff --git a/src/blackmisc/nwaircraftmodel.h b/src/blackmisc/nwaircraftmodel.h
index ffe4493c0..4435a7a0f 100644
--- a/src/blackmisc/nwaircraftmodel.h
+++ b/src/blackmisc/nwaircraftmodel.h
@@ -59,7 +59,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \copydoc CValueObject::propertyByIndex(int)
             virtual QVariant propertyByIndex(const BlackMisc::CPropertyIndex &index) const override;
@@ -85,7 +85,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/nwclient.h b/src/blackmisc/nwclient.h
index 5fb26bf0b..40f5529a4 100644
--- a/src/blackmisc/nwclient.h
+++ b/src/blackmisc/nwclient.h
@@ -74,7 +74,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \copydoc CValueObject::toQVariant()
             virtual QVariant toQVariant() const override { return QVariant::fromValue(*this); }
@@ -139,7 +139,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/nwserver.h b/src/blackmisc/nwserver.h
index 1fcb0ede7..6cd3e872a 100644
--- a/src/blackmisc/nwserver.h
+++ b/src/blackmisc/nwserver.h
@@ -109,7 +109,7 @@ namespace BlackMisc
             //! \copydoc CValueObject::setPropertyByIndex(const QVariant &, int index)
             virtual void setPropertyByIndex(const QVariant &variant, const BlackMisc::CPropertyIndex &index) override;
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Register metadata
diff --git a/src/blackmisc/nwvoicecapabilities.h b/src/blackmisc/nwvoicecapabilities.h
index d829624c0..b40b93fb8 100644
--- a/src/blackmisc/nwvoicecapabilities.h
+++ b/src/blackmisc/nwvoicecapabilities.h
@@ -73,7 +73,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
diff --git a/src/blackmisc/propertyindex.h b/src/blackmisc/propertyindex.h
index e578324c6..49b29e601 100644
--- a/src/blackmisc/propertyindex.h
+++ b/src/blackmisc/propertyindex.h
@@ -111,7 +111,7 @@ namespace BlackMisc
         //! Register metadata
         static void registerMetadata();
 
-        //! Members
+        //! JSON member names
         static const QStringList &jsonMembers();
 
     protected:
diff --git a/src/blackmisc/setaudio.h b/src/blackmisc/setaudio.h
index eaab020fe..123e26e4a 100644
--- a/src/blackmisc/setaudio.h
+++ b/src/blackmisc/setaudio.h
@@ -75,7 +75,7 @@ namespace BlackMisc
             //! \copydoc CValueObject::registerMetadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/setkeyboardhotkey.h b/src/blackmisc/setkeyboardhotkey.h
index 5ca99fd2a..0bbf785c0 100644
--- a/src/blackmisc/setkeyboardhotkey.h
+++ b/src/blackmisc/setkeyboardhotkey.h
@@ -65,7 +65,7 @@ namespace BlackMisc
             virtual QJsonObject toJson() const override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! Register metadata
             static void registerMetadata();
diff --git a/src/blackmisc/setnetwork.h b/src/blackmisc/setnetwork.h
index 11fd61b33..00de1bfce 100644
--- a/src/blackmisc/setnetwork.h
+++ b/src/blackmisc/setnetwork.h
@@ -111,7 +111,7 @@ namespace BlackMisc
             //! \copydoc CValueObject::registerMetadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blackmisc/statusmessage.cpp b/src/blackmisc/statusmessage.cpp
index a76153994..464f3e56a 100644
--- a/src/blackmisc/statusmessage.cpp
+++ b/src/blackmisc/statusmessage.cpp
@@ -121,6 +121,30 @@ namespace BlackMisc
         }
     }
 
+    /*
+     * To JSON
+     */
+    QJsonObject CStatusMessage::toJson() const
+    {
+        return BlackMisc::serializeJson(CStatusMessage::jsonMembers(), TupleConverter<CStatusMessage>::toTuple(*this));
+    }
+
+    /*
+     * From JSON
+     */
+    void CStatusMessage::convertFromJson(const QJsonObject &json)
+    {
+        BlackMisc::deserializeJson(json, CStatusMessage::jsonMembers(), TupleConverter<CStatusMessage>::toTuple(*this));
+    }
+
+    /*
+     * Members
+     */
+    const QStringList &CStatusMessage::jsonMembers()
+    {
+        return TupleConverter<CStatusMessage>::jsonMembers();
+    }
+
     /*
      * Type
      */
@@ -257,7 +281,7 @@ namespace BlackMisc
     }
 
     /*
-     * Equal
+     * Unequal
      */
     bool CStatusMessage::operator !=(const CStatusMessage &other) const
     {
diff --git a/src/blackmisc/statusmessage.h b/src/blackmisc/statusmessage.h
index 6ef7146dd..d1622d21e 100644
--- a/src/blackmisc/statusmessage.h
+++ b/src/blackmisc/statusmessage.h
@@ -102,6 +102,12 @@ namespace BlackMisc
         //! Type as string
         const QString &getSeverityAsString() const;
 
+        //! \copydoc CValueObject::toJson
+        virtual QJsonObject toJson() const override;
+
+        //! \copydoc CValueObject::convertFromJson
+        virtual void convertFromJson(const QJsonObject &json) override;
+
         //! \copydoc CValueObject::propertyByIndex(int)
         virtual QVariant propertyByIndex(const BlackMisc::CPropertyIndex &index) const override;
 
@@ -120,6 +126,9 @@ namespace BlackMisc
         //! Register metadata
         static void registerMetadata();
 
+        //! JSON member names
+        static const QStringList &jsonMembers();
+
         //! Validation error
         static CStatusMessage getValidationError(const QString &message);
 
diff --git a/src/blackmisc/voiceroom.h b/src/blackmisc/voiceroom.h
index e87986009..d5838d99b 100644
--- a/src/blackmisc/voiceroom.h
+++ b/src/blackmisc/voiceroom.h
@@ -106,7 +106,7 @@ namespace BlackMisc
             virtual void setPropertyByIndex(const QVariant &variant, const BlackMisc::CPropertyIndex &index) override;
 
             //! \copydoc CValueObject::convertFromJson
-            void convertFromJson(const QJsonObject &json) override;
+            virtual void convertFromJson(const QJsonObject &json) override;
 
             //! \copydoc CValueObject::toQVariant
             virtual QVariant toQVariant() const override { return QVariant::fromValue(*this); }
@@ -117,7 +117,7 @@ namespace BlackMisc
             //! Register metadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
             //! Protocol prefix "vvl"
diff --git a/src/blacksim/fscommon/aircraftcfgentries.h b/src/blacksim/fscommon/aircraftcfgentries.h
index 84dc02fa7..55c03f90b 100644
--- a/src/blacksim/fscommon/aircraftcfgentries.h
+++ b/src/blacksim/fscommon/aircraftcfgentries.h
@@ -123,7 +123,7 @@ namespace BlackSim
             //! Register the metatypes
             static void registerMetadata();
 
-            //! Members
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blacksim/fscommon/aircraftmapping.h b/src/blacksim/fscommon/aircraftmapping.h
index 5549b6dc5..ad1548e62 100644
--- a/src/blacksim/fscommon/aircraftmapping.h
+++ b/src/blacksim/fscommon/aircraftmapping.h
@@ -215,7 +215,7 @@ namespace BlackSim
             //! Register metadata
             static void registerMetadata();
 
-            //! Members
+            //! JSON member names
             static const QStringList &jsonMembers();
         };
     } // namespace
diff --git a/src/blacksim/setsimulator.h b/src/blacksim/setsimulator.h
index 2af492987..07ebc44e4 100644
--- a/src/blacksim/setsimulator.h
+++ b/src/blacksim/setsimulator.h
@@ -101,7 +101,7 @@ namespace BlackSim
             //! \copydoc CValueObject::registerMetadata
             static void registerMetadata();
 
-            //! \copydoc TupleConverter<>::jsonMembers()
+            //! JSON member names
             static const QStringList &jsonMembers();
 
         protected:
diff --git a/src/blacksim/simulatorinfo.h b/src/blacksim/simulatorinfo.h
index 260b6b28e..1fb7f8b9e 100644
--- a/src/blacksim/simulatorinfo.h
+++ b/src/blacksim/simulatorinfo.h
@@ -58,7 +58,7 @@ namespace BlackSim
         //! \copydoc CValueObject::convertFromJson
         virtual void convertFromJson(const QJsonObject &json) override;
 
-        //! Members
+        //! JSON member names
         static const QStringList &jsonMembers();
 
         //! Register the metatypes