diff --git a/libraries/AP_Scripting/docs/docs.lua b/libraries/AP_Scripting/docs/docs.lua
index 8a8db7001b..f348194728 100644
--- a/libraries/AP_Scripting/docs/docs.lua
+++ b/libraries/AP_Scripting/docs/docs.lua
@@ -1691,6 +1691,19 @@ function sub:is_button_pressed(index) end
 ---@return integer
 function sub:get_and_clear_button_count(index) end
 
+-- Return true if rangefinder is healthy, includes a check for good signal quality
+---@return boolean
+function sub:rangefinder_alt_ok() end
+
+-- SURFTRAK mode: return the rangefinder target in cm
+---@return float
+function sub:get_rangefinder_target_cm() end
+
+-- SURFTRAK mode: set the rangefinder target in cm, return true if successful
+---@param new_target_cm float
+---@return boolean
+function sub:set_rangefinder_target_cm(new_target_cm) end
+
 
 -- desc
 ---@class quadplane
diff --git a/libraries/AP_Scripting/generator/description/bindings.desc b/libraries/AP_Scripting/generator/description/bindings.desc
index 5f4458985f..a5d1729c47 100644
--- a/libraries/AP_Scripting/generator/description/bindings.desc
+++ b/libraries/AP_Scripting/generator/description/bindings.desc
@@ -539,6 +539,9 @@ singleton Sub rename sub
 singleton Sub depends APM_BUILD_TYPE(APM_BUILD_ArduSub)
 singleton Sub method get_and_clear_button_count uint8_t uint8_t 1 4
 singleton Sub method is_button_pressed boolean uint8_t 1 4
+singleton Sub method rangefinder_alt_ok boolean
+singleton Sub method get_rangefinder_target_cm float
+singleton Sub method set_rangefinder_target_cm boolean float'skip_check
 
 include AP_Motors/AP_MotorsMatrix.h depends APM_BUILD_TYPE(APM_BUILD_ArduPlane)||APM_BUILD_COPTER_OR_HELI
 singleton AP_MotorsMatrix depends APM_BUILD_TYPE(APM_BUILD_ArduPlane)||APM_BUILD_COPTER_OR_HELI