diff --git a/companion/src/firmwares/er9x/er9xsimulator.h b/companion/src/firmwares/er9x/er9xsimulator.h
index e585fb7fa..52de60575 100644
--- a/companion/src/firmwares/er9x/er9xsimulator.h
+++ b/companion/src/firmwares/er9x/er9xsimulator.h
@@ -48,6 +48,8 @@ class Er9xSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase() { return 0; }
 
+    virtual const char * getPhaseName(unsigned int phase) { return 0; }
+
     virtual void wheelEvent(uint8_t steps) { }
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/ersky9x/ersky9xsimulator.h b/companion/src/firmwares/ersky9x/ersky9xsimulator.h
index c3f4948ec..93eaae105 100644
--- a/companion/src/firmwares/ersky9x/ersky9xsimulator.h
+++ b/companion/src/firmwares/ersky9x/ersky9xsimulator.h
@@ -48,6 +48,8 @@ class Ersky9xSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase() { return 0; }
 
+    virtual const char * getPhaseName(unsigned int phase) { return 0; }
+
     virtual void wheelEvent(uint8_t steps) { }
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/opentx/opentxGruvin9xsimulator.cpp b/companion/src/firmwares/opentx/opentxGruvin9xsimulator.cpp
index aea3df1cb..de6feeb74 100644
--- a/companion/src/firmwares/opentx/opentxGruvin9xsimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxGruvin9xsimulator.cpp
@@ -200,6 +200,13 @@ unsigned int Open9xGruvin9xSimulator::getPhase()
   return getFlightPhase();
 }
 
+const char * Open9xGruvin9xSimulator::getPhaseName(unsigned int phase)
+{
+  static char buff[sizeof(g_model.phaseData[0].name)+1];
+  zchar2str(buff, g_model.phaseData[phase].name, sizeof(g_model.phaseData[0].name));
+  return buff;
+}
+
 const char * Open9xGruvin9xSimulator::getError()
 {
 #define GETERROR_IMPORT
diff --git a/companion/src/firmwares/opentx/opentxGruvin9xsimulator.h b/companion/src/firmwares/opentx/opentxGruvin9xsimulator.h
index 163d1ec68..57a8ac646 100644
--- a/companion/src/firmwares/opentx/opentxGruvin9xsimulator.h
+++ b/companion/src/firmwares/opentx/opentxGruvin9xsimulator.h
@@ -50,6 +50,8 @@ class Open9xGruvin9xSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase();
 
+    virtual const char * getPhaseName(unsigned int phase);
+
     virtual void wheelEvent(uint8_t steps);
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/opentx/opentxM128simulator.cpp b/companion/src/firmwares/opentx/opentxM128simulator.cpp
index e615d8d9c..5bb512116 100644
--- a/companion/src/firmwares/opentx/opentxM128simulator.cpp
+++ b/companion/src/firmwares/opentx/opentxM128simulator.cpp
@@ -191,6 +191,13 @@ unsigned int Open9xM128Simulator::getPhase()
   return getFlightPhase();
 }
 
+const char * Open9xM128Simulator::getPhaseName(unsigned int phase)
+{
+  static char buff[sizeof(g_model.phaseData[0].name)+1];
+  zchar2str(buff, g_model.phaseData[phase].name, sizeof(g_model.phaseData[0].name));
+  return buff;
+}
+
 const char * Open9xM128Simulator::getError()
 {
 #define GETERROR_IMPORT
diff --git a/companion/src/firmwares/opentx/opentxM128simulator.h b/companion/src/firmwares/opentx/opentxM128simulator.h
index 1efd990af..25941eb6b 100644
--- a/companion/src/firmwares/opentx/opentxM128simulator.h
+++ b/companion/src/firmwares/opentx/opentxM128simulator.h
@@ -50,6 +50,8 @@ class Open9xM128Simulator : public SimulatorInterface {
 
     virtual unsigned int getPhase();
 
+    virtual const char * getPhaseName(unsigned int phase);
+
     virtual void wheelEvent(uint8_t steps);
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/opentx/opentxSky9xsimulator.cpp b/companion/src/firmwares/opentx/opentxSky9xsimulator.cpp
index 5e3e5d233..d7ca438a0 100644
--- a/companion/src/firmwares/opentx/opentxSky9xsimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxSky9xsimulator.cpp
@@ -233,6 +233,13 @@ unsigned int Open9xSky9xSimulator::getPhase()
   return getFlightPhase();
 }
 
+const char * Open9xSky9xSimulator::getPhaseName(unsigned int phase)
+{
+  static char buff[sizeof(g_model.phaseData[0].name)+1];
+  zchar2str(buff, g_model.phaseData[phase].name, sizeof(g_model.phaseData[0].name));
+  return buff;
+}
+
 const char * Open9xSky9xSimulator::getError()
 {
 #define GETERROR_IMPORT
diff --git a/companion/src/firmwares/opentx/opentxSky9xsimulator.h b/companion/src/firmwares/opentx/opentxSky9xsimulator.h
index 46355a072..9af799f18 100644
--- a/companion/src/firmwares/opentx/opentxSky9xsimulator.h
+++ b/companion/src/firmwares/opentx/opentxSky9xsimulator.h
@@ -50,6 +50,8 @@ class Open9xSky9xSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase();
 
+    virtual const char * getPhaseName(unsigned int phase);
+
     virtual void wheelEvent(uint8_t steps);
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
index 52ada6c30..16c93b06c 100644
--- a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
@@ -273,6 +273,13 @@ unsigned int OpentxTaranisSimulator::getPhase()
   return getFlightPhase();
 }
 
+const char * OpentxTaranisSimulator::getPhaseName(unsigned int phase)
+{
+  static char buff[sizeof(g_model.phaseData[0].name)+1];
+  zchar2str(buff, g_model.phaseData[phase].name, sizeof(g_model.phaseData[0].name));
+  return buff;
+}
+
 const char * OpentxTaranisSimulator::getError()
 {
 #define GETERROR_IMPORT
diff --git a/companion/src/firmwares/opentx/opentxTaranisSimulator.h b/companion/src/firmwares/opentx/opentxTaranisSimulator.h
index be7350799..d5113db7a 100644
--- a/companion/src/firmwares/opentx/opentxTaranisSimulator.h
+++ b/companion/src/firmwares/opentx/opentxTaranisSimulator.h
@@ -50,6 +50,8 @@ class OpentxTaranisSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase();
 
+    virtual const char * getPhaseName(unsigned int phase);
+
     virtual void wheelEvent(uint8_t steps);
 
     virtual const char * getError();
diff --git a/companion/src/firmwares/opentx/opentxsimulator.cpp b/companion/src/firmwares/opentx/opentxsimulator.cpp
index a21b90732..b9d487a96 100644
--- a/companion/src/firmwares/opentx/opentxsimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxsimulator.cpp
@@ -197,6 +197,13 @@ unsigned int Open9xSimulator::getPhase()
   return getFlightPhase();
 }
 
+const char * Open9xSimulator::getPhaseName(unsigned int phase)
+{
+  static char buff[sizeof(g_model.phaseData[0].name)+1];
+  zchar2str(buff, g_model.phaseData[phase].name, sizeof(g_model.phaseData[0].name));
+  return buff;
+}
+
 const char * Open9xSimulator::getError()
 {
 #define GETERROR_IMPORT
diff --git a/companion/src/firmwares/opentx/opentxsimulator.h b/companion/src/firmwares/opentx/opentxsimulator.h
index c563b12d8..97342872f 100644
--- a/companion/src/firmwares/opentx/opentxsimulator.h
+++ b/companion/src/firmwares/opentx/opentxsimulator.h
@@ -49,6 +49,8 @@ class Open9xSimulator : public SimulatorInterface {
 
     virtual unsigned int getPhase();
 
+    virtual const char * getPhaseName(unsigned int phase);
+
     virtual void wheelEvent(uint8_t steps) { }
 
     virtual const char * getError();
diff --git a/companion/src/simulation/simulatordialog.cpp b/companion/src/simulation/simulatordialog.cpp
index 761fc0c06..1f6f6dfe4 100644
--- a/companion/src/simulation/simulatordialog.cpp
+++ b/companion/src/simulation/simulatordialog.cpp
@@ -18,6 +18,7 @@ SimulatorDialog::SimulatorDialog(QWidget * parent, unsigned int flags):
   lightOn(false),
   txInterface(NULL),
   simulator(NULL),
+  lastPhase(-1),
   beepVal(0),
   buttonPressed(0),
   trimPressed (TRIM_NONE),
@@ -489,6 +490,19 @@ void SimulatorDialog::onTimerEvent()
     }
   }
 
+  //display current flight mode in window title
+  unsigned int currentPhase = simulator->getPhase();
+  if (currentPhase != lastPhase) {
+    lastPhase = currentPhase;
+    const char * phase_name = simulator->getPhaseName(currentPhase);
+    if ( phase_name &&  phase_name[0] ) {
+      setWindowTitle(windowName + QString(" [fm: %1]").arg(QString(phase_name)));  
+    }
+    else {
+      setWindowTitle(windowName + QString(" [fm: %1]").arg(simulator->getPhase()));
+    }
+  }
+
   if (!(lcd_counter++ % 5)) {
 
     setValues();
@@ -517,6 +531,7 @@ void SimulatorDialog::centerSticks()
 
 void SimulatorDialog::start(QByteArray & eeprom)
 {
+  lastPhase = -1;
   simulator->start(eeprom, (flags & SIMULATOR_FLAGS_NOTX) ? false : true);
   getValues();
   setupTimer();
@@ -524,6 +539,7 @@ void SimulatorDialog::start(QByteArray & eeprom)
 
 void SimulatorDialog::start(const char * filename)
 {
+  lastPhase = -1;
   simulator->start(filename);
   getValues();
   setupTimer();
diff --git a/companion/src/simulation/simulatordialog.h b/companion/src/simulation/simulatordialog.h
index 0425c7361..42ee82cb3 100644
--- a/companion/src/simulation/simulatordialog.h
+++ b/companion/src/simulation/simulatordialog.h
@@ -73,6 +73,7 @@ class SimulatorDialog : public QDialog
 
     EEPROMInterface *txInterface;
     SimulatorInterface *simulator;
+    unsigned int lastPhase;
 
     void setupSticks();
     void setupTimer();
diff --git a/companion/src/simulation/simulatorinterface.h b/companion/src/simulation/simulatorinterface.h
index 65ee2792b..8316a1019 100644
--- a/companion/src/simulation/simulatorinterface.h
+++ b/companion/src/simulation/simulatorinterface.h
@@ -71,6 +71,8 @@ class SimulatorInterface {
     virtual void getTrims(Trims & trims) = 0;
 
     virtual unsigned int getPhase() = 0;
+    
+    virtual const char * getPhaseName(unsigned int phase) = 0;
 
     virtual void wheelEvent(uint8_t steps) = 0;
 
diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index 2ff9554aa..b35a146b8 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -204,7 +204,7 @@ char idx2char(int8_t idx)
   return ' ';
 }
 
-#if defined(CPUARM)
+#if defined(CPUARM) || defined(SIMU)
 int8_t char2idx(char c)
 {
   if (c == '_') return 37;
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 55ae36067..d334b7ec3 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -591,7 +591,7 @@ extern uint8_t pxxFlag[NUM_MODULES];
 #define ZCHAR_MAX (LEN_STD_CHARS + LEN_SPECIAL_CHARS)
 
 char idx2char(int8_t idx);
-#if defined(CPUARM)
+#if defined(CPUARM) || defined(SIMU)
 int8_t char2idx(char c);
 void str2zchar(char *dest, const char *src, int size);
 void zchar2str(char *dest, const char *src, int size);