diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/scripts/cx_built_in_test.lua b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/scripts/cx_built_in_test.lua
new file mode 100644
index 0000000000..04fb238f7c
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixCubeOrange/scripts/cx_built_in_test.lua
@@ -0,0 +1,238 @@
+--[[
+    File Name: cx_built_in_test.lua
+    Description: This script is Carbonix Continuous Built in Test used to do multiple lua functionality of Carbonix Aircrafts, Ottano and ESC.
+    Functionality: 
+        - ESC Status Check and Fault Detection
+        - EFI Status Check and Fault Detection
+    Owner: [Carbonix - Software Team]
+]]
+
+
+-- ******************* Macros *******************
+
+local SCRIPT_NAME = 'CX_BIT'
+local CX_SANITY_SCRIPT_VERSION = 1.0 -- Script Version
+local CX_PILOT_MIN_FW_VERSION = 5.0 -- Minimum Firmware Version Supported e.g CxPilot 5.0.0 should be mentioned as 5.0
+
+--------  MAVLINK/AUTOPILOT 'CONSTANTS'  --------
+-- local MAV_SEVERITY_EMERGENCY=0 --/* System is unusable. This is a "panic" condition. | */
+-- local MAV_SEVERITY_ALERT=1     --/* Action should be taken immediately. Indicates error in non-critical systems. | */
+local MAV_SEVERITY_CRITICAL=2  --/* Action must be taken immediately. Indicates failure in a primary system. | */
+local MAV_SEVERITY_ERROR=3     --/* Indicates an error in secondary/redundant systems. | */
+local MAV_SEVERITY_WARNING=4   --/* Indicates about a possible future error if this is not resolved within a given timeframe. Example would be a low battery warning. | */
+-- local MAV_SEVERITY_NOTICE=5    --/* An unusual event has occurred though not an error condition. This should be investigated for the root cause. | */
+local MAV_SEVERITY_INFO=6      --/* Normal operational messages. Useful for logging. No action is required for these messages. | */
+-- local MAV_SEVERITY_DEBUG=7     --/* Useful non-operational messages that can assist in debugging. These should not occur during normal operation. | */
+-- local MAV_SEVERITY_ENUM_END=8  --/*  | */
+
+local MSG_NORMAL = 1    -- 1 for normal status messages
+local MSG_DEBUG  = 2    -- 2 for additional debug messages
+local VERBOSE_MODE = 2  -- 0 to suppress all GCS messages, 1 for normal status messages, 2 for additional debug messages
+
+local M1 = 0
+local M2 = 1
+local M3 = 2
+local M4 = 3
+local M5 = 4
+local WARMING_MSG_TIMEOUT = 15
+
+local UNKNOWN = 0
+local VOLANTI = 1
+local OTTANO = 2
+
+local HIRTH_EFI_TYPE = 8
+-- ******************* Variables *******************
+
+local aircraft_type = UNKNOWN
+
+local pre_arm_init = false
+
+local esc_prev_ts = {0, 0, 0, 0, 0, 0, 0} -- Initialize to 0 for each ESC
+
+local last_motor_lost = -1
+
+-- ******************* Objects *******************
+
+local auth_id = arming:get_aux_auth_id()
+assert(auth_id, SCRIPT_NAME .. ": could not get a prearm check auth id")
+
+local params = {
+    -- CAN_D1_UC_ESC_BM = Parameter(),
+    -- CAN_D2_UC_ESC_BM = Parameter(),
+    EFI_TYPE = Parameter()
+}
+
+-- ******************* Functions *******************
+
+local function get_time_sec()
+    return millis():tofloat() * 0.001
+end
+
+-- wrapper for gcs:send_text()
+local function gcs_msg(msg_type, severity, txt)
+    if type(msg_type) == 'string' then
+    -- allow just a string to be passed for simple/routine messages
+        txt      = msg_type
+        msg_type = MSG_NORMAL
+        severity = MAV_SEVERITY_INFO
+    end
+    if msg_type <= VERBOSE_MODE then
+        gcs:send_text(severity, string.format('%s: %s', SCRIPT_NAME, txt))
+    end
+end
+
+local function check_aircraft()
+    if params.EFI_TYPE:get() == HIRTH_EFI_TYPE then
+        aircraft_type = OTTANO
+        gcs_msg(MSG_DEBUG, MAV_SEVERITY_INFO, "Aircraft Type: Ottano")
+    else
+        aircraft_type = VOLANTI
+        gcs_msg(MSG_DEBUG, MAV_SEVERITY_INFO, "Aircraft Type: Volanti")
+    end
+    return 0
+end
+
+local function init_param()
+    for paramName, param in pairs(params) do
+        if not param:init(paramName) then
+            arming:set_aux_auth_failed(auth_id, "LUA: " .. paramName .. " Param fetch failed")
+            return -1
+        end
+    end
+    gcs_msg(MSG_DEBUG, MAV_SEVERITY_INFO, "Param Init")
+    return 0
+end
+
+local function all_telemetry_check()
+    local escs = {M1, M2, M3, M4, M5}
+
+    if aircraft_type == UNKNOWN then
+        gcs_msg(MSG_DEBUG, MAV_SEVERITY_WARNING, "Aircraft Type Unknown")
+        return -1
+    end
+
+    for i = 1, #escs do
+        local current_ts = esc_telem:get_last_telem_data_ms(escs[i]):toint()
+        if (i < 5 or aircraft_type == VOLANTI) and (current_ts == 0 or current_ts - esc_prev_ts[i] > 1000) then
+            return i
+        end
+        if i == 5 and aircraft_type == OTTANO then
+            current_ts =  efi.get_last_update_ms():toint()
+            if current_ts == 0 or current_ts - esc_prev_ts[i] > 1000 then
+                return i
+            end
+        end
+        esc_prev_ts[i] = current_ts
+    end
+    return 0
+end
+
+local function pre_arm_check()
+    if pre_arm_init then
+        local act_return = all_telemetry_check()
+        if act_return == 5 and aircraft_type == OTTANO then
+            arming:set_aux_auth_failed(auth_id, "EFI Not Responding")
+        elseif act_return ~= 0 then
+            arming:set_aux_auth_failed(auth_id, "ESC " .. act_return .. " Not Responding")
+        else
+            arming:set_aux_auth_passed(auth_id)
+        end
+        return
+    end
+    if not auth_id or init_param() ~= 0 or check_aircraft() ~= 0 then
+        local message = not auth_id and "Pre Arm Not functional" or
+                        init_param() ~= 0 and "Parameter Init Failed" or
+                        "Aircraft Type Check Failed"
+        gcs_msg(MSG_NORMAL, MAV_SEVERITY_WARNING, message)
+        return
+    end
+    gcs_msg(MSG_DEBUG, MAV_SEVERITY_INFO, "Pre Arm Init Done")
+    pre_arm_init = true
+end
+
+local function vtol_failure_check()
+    local lost_index = MotorsMatrix:get_thrust_boost() and MotorsMatrix:get_lost_motor() or -1
+
+    if lost_index ~= last_motor_lost then
+        local message = lost_index == -1 and "Motors Thrust: recovered" or "Motor ".. lost_index + 1 .." Thrust: lost"
+        local severity = lost_index == -1 and MAV_SEVERITY_INFO or MAV_SEVERITY_CRITICAL
+
+        gcs_msg(MSG_NORMAL, severity, message)
+        last_motor_lost = lost_index
+    end
+end
+
+local last_fail_msg_time = 0
+local telem_failure = false
+
+local function during_arm_check()
+    local act_return = all_telemetry_check()
+    local current_time = get_time_sec()
+
+    if current_time - last_fail_msg_time >= WARMING_MSG_TIMEOUT then
+        if act_return > 0 then
+            if act_return == 5 and aircraft_type == OTTANO then
+                gcs_msg(MSG_NORMAL, MAV_SEVERITY_CRITICAL, "EFI Telemetry Not Responding")
+            else
+                gcs_msg(MSG_NORMAL, MAV_SEVERITY_CRITICAL, "ESC " .. act_return .. " Telemetry Not Responding")
+            end
+            last_fail_msg_time = current_time
+            telem_failure = true
+        end
+    end
+    if telem_failure and act_return == 0 then
+        gcs_msg(MSG_NORMAL, MAV_SEVERITY_CRITICAL, "Telemetry Recovered")
+        telem_failure = false
+    end
+    vtol_failure_check()
+end
+
+
+local function update()
+    local arming = require("arming")
+    if not arming:is_armed() then
+        pre_arm_check()
+    else
+        if pre_arm_init == false then
+            return
+        end
+        during_arm_check()
+    end
+end
+
+-- wrapper around update(). This calls update() and if update faults
+-- then an error is displayed, but the script is not stopped
+local function protected_wrapper()
+    local success, err = pcall(update)
+    if not success then
+        gcs_msg(MSG_NORMAL, MAV_SEVERITY_ERROR, "Internal Error: " .. err)
+        -- when we fault we run the update function again after 1s, slowing it
+        -- down a bit so we don't flood the console with errors
+        return protected_wrapper, 1000
+    end
+    return protected_wrapper, 500
+end
+
+local function script_exit()
+    gcs_msg(MSG_NORMAL, MAV_SEVERITY_CRITICAL, "LUA SCRIPT EXIT")
+end
+
+-- ******************* Main *******************
+-- Check Script uses a miniumum firmware version
+local FWVersion = require("FWVersion")
+local cx_version = FWVersion:string()
+local version = cx_version:match("(%d+%.%d+)")
+
+if cx_version:match("CxPilot") and version then
+    version = tonumber(version)
+    if CX_PILOT_MIN_FW_VERSION > version then
+        gcs_msg(MSG_NORMAL, MAV_SEVERITY_INFO, string.format('%s Requires: %.1f. Found Version: %s', SCRIPT_NAME, CX_PILOT_MIN_FW_VERSION, version))
+    else
+        gcs_msg(MSG_NORMAL, MAV_SEVERITY_INFO, "Script Version " .. CX_SANITY_SCRIPT_VERSION .. " Initialized on " .. cx_version)
+        return protected_wrapper()
+    end
+else
+    gcs_msg(MSG_NORMAL, MAV_SEVERITY_INFO, string.format('Requires: CxPilot Code Base. Found Version: %s', FWVersion:string()))
+end
+
+script_exit()
\ No newline at end of file
diff --git a/libraries/AP_Scripting/generator/description/bindings.desc b/libraries/AP_Scripting/generator/description/bindings.desc
index 83e168fa57..b63d4b734d 100644
--- a/libraries/AP_Scripting/generator/description/bindings.desc
+++ b/libraries/AP_Scripting/generator/description/bindings.desc
@@ -314,6 +314,7 @@ singleton AP_ESC_Telem method get_consumption_mah boolean uint8_t 0 NUM_SERVO_CH
 singleton AP_ESC_Telem method get_usage_seconds boolean uint8_t 0 NUM_SERVO_CHANNELS uint32_t'Null
 singleton AP_ESC_Telem method update_rpm void uint8_t 0 NUM_SERVO_CHANNELS uint16_t'skip_check float'skip_check
 singleton AP_ESC_Telem method set_rpm_scale void uint8_t 0 NUM_SERVO_CHANNELS float'skip_check
+singleton AP_ESC_Telem method get_last_telem_data_ms uint32_t uint8_t 0 NUM_SERVO_CHANNELS
 
 include AP_Param/AP_Param.h
 singleton AP_Param rename param
@@ -393,6 +394,8 @@ singleton AP_MotorsMatrix rename MotorsMatrix
 singleton AP_MotorsMatrix method init boolean uint8_t 0 AP_MOTORS_MAX_NUM_MOTORS
 singleton AP_MotorsMatrix method add_motor_raw void int8_t 0 (AP_MOTORS_MAX_NUM_MOTORS-1) float'skip_check float'skip_check float'skip_check uint8_t 0 AP_MOTORS_MAX_NUM_MOTORS
 singleton AP_MotorsMatrix method set_throttle_factor boolean int8_t 0 (AP_MOTORS_MAX_NUM_MOTORS-1) float 0 FLT_MAX
+singleton AP_MotorsMatrix method get_lost_motor uint8_t
+singleton AP_MotorsMatrix method get_thrust_boost boolean
 
 include AP_Frsky_Telem/AP_Frsky_SPort.h
 singleton AP_Frsky_SPort rename frsky_sport
@@ -572,6 +575,7 @@ ap_object AP_EFI_Backend method handle_scripting boolean EFI_State
 singleton AP_EFI depends (AP_EFI_SCRIPTING_ENABLED == 1)
 singleton AP_EFI rename efi
 singleton AP_EFI method get_backend AP_EFI_Backend uint8_t 0 UINT8_MAX
+singleton AP_EFI method get_last_update_ms uint32_t 
 
 -- ----END EFI Library----