diff --git a/libraries/AP_HAL_SITL/SITL_State_common.cpp b/libraries/AP_HAL_SITL/SITL_State_common.cpp
index 89288310ea..395c66b1be 100644
--- a/libraries/AP_HAL_SITL/SITL_State_common.cpp
+++ b/libraries/AP_HAL_SITL/SITL_State_common.cpp
@@ -49,6 +49,7 @@ SITL::SerialDevice *SITL_State_Common::create_serial_sim(const char *name, const
         if (adsb == nullptr) {
             adsb = new SITL::ADSB();
         }
+        sitl_model->set_adsb(adsb);
         return adsb;
 #endif
     } else if (streq(name, "benewake_tf03")) {
@@ -209,6 +210,14 @@ SITL::SerialDevice *SITL_State_Common::create_serial_sim(const char *name, const
         sf45b = new SITL::PS_LightWare_SF45B();
         return sf45b;
 #endif
+#if AP_SIM_ADSB_SAGETECH_MXS_ENABLED
+    } else if (streq(name, "sagetech_mxs")) {
+        if (sagetech_mxs != nullptr) {
+            AP_HAL::panic("Only one sagetech_mxs at a time");
+        }
+        sagetech_mxs = new SITL::ADSB_Sagetech_MXS();
+        return sagetech_mxs;
+#endif
 #if !defined(HAL_BUILD_AP_PERIPH)
     } else if (streq(name, "richenpower")) {
         sitl_model->set_richenpower(&_sitl->richenpower_sim);
@@ -390,6 +399,12 @@ void SITL_State_Common::sim_update(void)
     }
 #endif
 
+#if AP_SIM_ADSB_SAGETECH_MXS_ENABLED
+    if (sagetech_mxs != nullptr) {
+        sagetech_mxs->update(sitl_model);
+    }
+#endif
+
     if (vectornav != nullptr) {
         vectornav->update();
     }
diff --git a/libraries/AP_HAL_SITL/SITL_State_common.h b/libraries/AP_HAL_SITL/SITL_State_common.h
index b1105ecc35..dab0cb0e5a 100644
--- a/libraries/AP_HAL_SITL/SITL_State_common.h
+++ b/libraries/AP_HAL_SITL/SITL_State_common.h
@@ -10,6 +10,7 @@
 
 #include <SITL/SIM_Gimbal.h>
 #include <SITL/SIM_ADSB.h>
+#include <SITL/SIM_ADSB_Sagetech_MXS.h>
 #include <SITL/SIM_Vicon.h>
 #include <SITL/SIM_RF_Benewake_TF02.h>
 #include <SITL/SIM_RF_Benewake_TF03.h>
@@ -112,6 +113,10 @@ public:
     SITL::ADSB *adsb;
 #endif
 
+#if AP_SIM_ADSB_SAGETECH_MXS_ENABLED
+    SITL::ADSB_Sagetech_MXS *sagetech_mxs;
+#endif
+
 #if !defined(HAL_BUILD_AP_PERIPH)
     // simulated vicon system:
     SITL::Vicon *vicon;