diff --git a/ArduPlane/ReleaseNotes.txt b/ArduPlane/ReleaseNotes.txt
index fe0d8ffb46..b39ecc304f 100644
--- a/ArduPlane/ReleaseNotes.txt
+++ b/ArduPlane/ReleaseNotes.txt
@@ -1,3 +1,8 @@
+Release 5.1.4 20th June 2024
+------------------------------
+- Backport APD F120 ESCX changes
+- Backport Fix servo assignments
+
 Release 5.1.3 29th May 2024
 ------------------------------
 - Volanti-M5 CPN added Range Finder Support
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/defaults.parm
index e99689696f..38125d31e6 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/defaults.parm
@@ -4,11 +4,11 @@ SERVO2_FUNCTION 34 @READONLY
 SERVO3_FUNCTION 35 @READONLY
 SERVO4_FUNCTION 36 @READONLY
 SERVO5_FUNCTION 70 @READONLY
-SERVO7_FUNCTION 21 @READONLY
+SERVO6_FUNCTION 19 @READONLY
 SERVO8_FUNCTION -1 @READONLY
 SERVO9_FUNCTION 94 @READONLY
 SERVO10_FUNCTION 4 @READONLY
-SERVO11_FUNCTION 19 @READONLY
+SERVO11_FUNCTION 21 @READONLY
 EK3_ENABLE 1 @READONLY
 BRD_SAFETYOPTION 3 @READONLY
 BATT2_TYPE 28 @READONLY