diff --git a/src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc b/src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc
index 5afedc3..9d81842 100644
--- a/src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc
+++ b/src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc
@@ -43,6 +43,7 @@ enum PX4_CUSTOM_MAIN_MODE {
     PX4_CUSTOM_MAIN_MODE_ACRO,
     PX4_CUSTOM_MAIN_MODE_OFFBOARD,
     PX4_CUSTOM_MAIN_MODE_STABILIZED,
+    PX4_CUSTOM_MAIN_MODE_AIRSPD,
     PX4_CUSTOM_MAIN_MODE_RATTITUDE
     
 };
diff --git a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
index d28f8b6..c159ef0 100644
--- a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
+++ b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
@@ -38,6 +38,7 @@ enum PX4_CUSTOM_MAIN_MODE {
     PX4_CUSTOM_MAIN_MODE_ACRO,
     PX4_CUSTOM_MAIN_MODE_OFFBOARD,
     PX4_CUSTOM_MAIN_MODE_STABILIZED,
+    PX4_CUSTOM_MAIN_MODE_AIRSPD,
     PX4_CUSTOM_MAIN_MODE_RATTITUDE
 };
 
@@ -74,6 +75,7 @@ const char* PX4FirmwarePlugin::acroFlightMode =         "Acro";
 const char* PX4FirmwarePlugin::stabilizedFlightMode =   "Stabilized";
 const char* PX4FirmwarePlugin::rattitudeFlightMode =    "Rattitude";
 const char* PX4FirmwarePlugin::altCtlFlightMode =       "Altitude Control";
+const char* PX4FirmwarePlugin::airSpdFlightMode =       "Airspeed";
 const char* PX4FirmwarePlugin::posCtlFlightMode =       "Position Control";
 const char* PX4FirmwarePlugin::offboardFlightMode =     "Offboard Control";
 const char* PX4FirmwarePlugin::readyFlightMode =        "Ready";
@@ -93,6 +95,7 @@ static const struct Modes2Name rgModes2Name[] = {
     { PX4_CUSTOM_MAIN_MODE_STABILIZED,  0,                                  PX4FirmwarePlugin::stabilizedFlightMode,    true },
     { PX4_CUSTOM_MAIN_MODE_RATTITUDE,   0,                                  PX4FirmwarePlugin::rattitudeFlightMode,     true },
     { PX4_CUSTOM_MAIN_MODE_ALTCTL,      0,                                  PX4FirmwarePlugin::altCtlFlightMode,        true },
+    { PX4_CUSTOM_MAIN_MODE_AIRSPD,      0,                                  PX4FirmwarePlugin::airSpdFlightMode,        true },
     { PX4_CUSTOM_MAIN_MODE_POSCTL,      0,                                  PX4FirmwarePlugin::posCtlFlightMode,        true },
     { PX4_CUSTOM_MAIN_MODE_OFFBOARD,    0,                                  PX4FirmwarePlugin::offboardFlightMode,      true },
     { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_READY,     PX4FirmwarePlugin::readyFlightMode,         false },
diff --git a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
index 2185809..fd06859 100644
--- a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
+++ b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
@@ -65,6 +65,7 @@ public:
     static const char* stabilizedFlightMode;
     static const char* rattitudeFlightMode;
     static const char* altCtlFlightMode;
+    static const char* airSpdFlightMode;
     static const char* posCtlFlightMode;
     static const char* offboardFlightMode;
     static const char* readyFlightMode;
diff --git a/src/comm/MockLink.cc b/src/comm/MockLink.cc
index 9d161c6..7857ebc 100644
--- a/src/comm/MockLink.cc
+++ b/src/comm/MockLink.cc
@@ -47,6 +47,7 @@ enum PX4_CUSTOM_MAIN_MODE {
     PX4_CUSTOM_MAIN_MODE_ACRO,
     PX4_CUSTOM_MAIN_MODE_OFFBOARD,
     PX4_CUSTOM_MAIN_MODE_STABILIZED,
+    PX4_CUSTOM_MAIN_MODE_AIRSPD,
     PX4_CUSTOM_MAIN_MODE_RATTITUDE
 };