diff --git a/src/blackmisc/aviotransponder.cpp b/src/blackmisc/aviotransponder.cpp
index fd9e263f1..5e1f854c3 100644
--- a/src/blackmisc/aviotransponder.cpp
+++ b/src/blackmisc/aviotransponder.cpp
@@ -84,6 +84,53 @@ namespace BlackMisc
             return m;
         }
 
+        /*
+         * Mode as readable string
+         */
+        void CTransponder::setModeAsString(const QString &m)
+        {
+            if (m == "Ident")
+            {
+                this->setTransponderMode(StateIdent);
+            }
+            else if (m == "Standby")
+            {
+                this->setTransponderMode(StateStandby);
+            }
+            else if (m == "Mode C")
+            {
+                this->setTransponderMode(ModeC);
+            }
+            else if (m == "Mode S")
+            {
+                this->setTransponderMode(ModeS);
+            }
+            else if (m == "Mil.Mode 1")
+            {
+                this->setTransponderMode(ModeMil1);
+            }
+            else if (m == "Mil.Mode 2")
+            {
+                this->setTransponderMode(ModeMil2);
+            }
+            else if (m == "Mil.Mode 3")
+            {
+                this->setTransponderMode(ModeMil3);
+            }
+            else if (m == "Mil.Mode 4")
+            {
+                this->setTransponderMode(ModeMil4);
+            }
+            else if (m == "Mil.Mode 5")
+            {
+                this->setTransponderMode(ModeMil5);
+            }
+            else
+            {
+                throw std::range_error("Illegal Transponder Mode");
+            }
+        }
+
         /*
          * Formatted transponder code
          */
diff --git a/src/blackmisc/aviotransponder.h b/src/blackmisc/aviotransponder.h
index ef66f4a02..ccff84aa3 100644
--- a/src/blackmisc/aviotransponder.h
+++ b/src/blackmisc/aviotransponder.h
@@ -139,7 +139,20 @@ namespace BlackMisc
              * \param transponderCode
              * \param transponderMode
              */
-            CTransponder(const QString &name, const QString &transponderCode, TransponderMode transponderMode) :
+            CTransponder(const QString &name, qint32 transponderCode, QString transponderMode) :
+                CAvionicsBase(name), m_transponderCode(transponderCode), m_transponderMode(StateStandby)
+            {
+                this->setModeAsString(transponderMode);
+                this->validate(true);
+            }
+
+            /*!
+             * \brief Constructor
+             * \param name
+             * \param transponderCode
+             * \param transponderMode
+             */
+            CTransponder(const QString &name, QString transponderCode, TransponderMode transponderMode) :
                 CAvionicsBase(name), m_transponderCode(0), m_transponderMode(transponderMode)
             {
                 bool ok = false;
@@ -148,6 +161,22 @@ namespace BlackMisc
                 this->validate(true);
             }
 
+            /*!
+             * \brief Constructor
+             * \param name
+             * \param transponderCode
+             * \param transponderMode
+             */
+            CTransponder(const QString &name, QString transponderCode, QString transponderMode) :
+                CAvionicsBase(name), m_transponderCode(0), m_transponderMode(StateStandby)
+            {
+                bool ok = false;
+                this->m_transponderCode = transponderCode.toUInt(&ok);
+                if (!ok) this->m_transponderCode = -1; // will cause assert / exception
+                this->setModeAsString(transponderMode);
+                this->validate(true);
+            }
+
             /*!
              * \brief QVariant, required for DBus QVariant lists
              * \return
@@ -160,13 +189,20 @@ namespace BlackMisc
             /*!
              * \brief Transponder mode as string
              * \return
-             * \throws std::range_erros
              */
             QString getModeAsString() const;
 
+            /*!
+             * \brief Transponder mode as string
+             * \param mode
+             * \throws std::range_error
+             */
+            void setModeAsString(const QString &mode);
+
             /*!
              * \brief Transponder mode
              * \return
+             * \throws std::range_error
              */
             TransponderMode getTransponderMode() const
             {