diff --git a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
index 602fc0dfa0bdb39190699ec1860a22b63d883e68..100b3f26dd9ef764a007073354a5e1489320c6f7 100644
--- a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
+++ b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.cc
@@ -48,6 +48,7 @@ PX4FirmwarePlugin::PX4FirmwarePlugin(void)
     , _missionFlightMode(tr("Mission"))
     , _rtlFlightMode(tr("Return"))
     , _landingFlightMode(tr("Land"))
+    , _preclandFlightMode(tr("Precision Land"))
     , _rtgsFlightMode(tr("Return to Groundstation"))
     , _followMeFlightMode(tr("Follow Me"))
     , _simpleFlightMode(tr("Simple"))
@@ -84,6 +85,7 @@ PX4FirmwarePlugin::PX4FirmwarePlugin(void)
         { PX4_CUSTOM_MAIN_MODE_OFFBOARD,    0,                                      true,   false,  true },
         // modes that can't be directly set by the user
         { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_LAND,          false,  true,   true },
+        { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_PRECLAND,      false,  false,  true },
         { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_READY,         false,  true,   true },
         { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_RTGS,          false,  true,   true },
         { PX4_CUSTOM_MAIN_MODE_AUTO,        PX4_CUSTOM_SUB_MODE_AUTO_TAKEOFF,       false,  true,   true },
@@ -104,6 +106,7 @@ PX4FirmwarePlugin::PX4FirmwarePlugin(void)
         &_followMeFlightMode,
         &_offboardFlightMode,
         &_landingFlightMode,
+        &_preclandFlightMode,
         &_readyFlightMode,
         &_rtgsFlightMode,
         &_takeoffFlightMode,
diff --git a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
index 6497793e9295da58596cfaca371180d69f99c23c..7aefe54d8080acc5e714e69440634e4ae14eaef7 100644
--- a/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
+++ b/src/FirmwarePlugin/PX4/PX4FirmwarePlugin.h
@@ -101,6 +101,7 @@ protected:
     QString _missionFlightMode;
     QString _rtlFlightMode;
     QString _landingFlightMode;
+    QString _preclandFlightMode;
     QString _rtgsFlightMode;
     QString _followMeFlightMode;
     QString _simpleFlightMode;
diff --git a/src/FirmwarePlugin/PX4/px4_custom_mode.h b/src/FirmwarePlugin/PX4/px4_custom_mode.h
index 48a29f2cda456b06abc950b0b99feb6eef6641c7..f6b3c905502748b30e1d73ae4d337981308f1d1f 100644
--- a/src/FirmwarePlugin/PX4/px4_custom_mode.h
+++ b/src/FirmwarePlugin/PX4/px4_custom_mode.h
@@ -34,7 +34,7 @@
 /**
  * @file px4_custom_mode.h
  * PX4 custom flight modes
- * Copied from PX4 2017-07-08 - https://github.com/PX4/Firmware/blob/master/src/modules/commander/px4_custom_mode.h#L45
+ * Copied from PX4 2018-04-07 - https://github.com/PX4/Firmware/blob/master/src/modules/commander/px4_custom_mode.h#L45
  */
 
 #ifndef PX4_CUSTOM_MODE_H_
@@ -62,7 +62,8 @@ enum PX4_CUSTOM_SUB_MODE_AUTO {
 	PX4_CUSTOM_SUB_MODE_AUTO_RTL,
 	PX4_CUSTOM_SUB_MODE_AUTO_LAND,
 	PX4_CUSTOM_SUB_MODE_AUTO_RTGS,
-	PX4_CUSTOM_SUB_MODE_AUTO_FOLLOW_TARGET
+	PX4_CUSTOM_SUB_MODE_AUTO_FOLLOW_TARGET,
+	PX4_CUSTOM_SUB_MODE_AUTO_PRECLAND
 };
 
 union px4_custom_mode {