diff --git a/docs/ADSB.md b/docs/ADSB.md
index 345af30a97..933cb264cd 100644
--- a/docs/ADSB.md
+++ b/docs/ADSB.md
@@ -14,4 +14,13 @@ All ADSB receivers which can send Mavlink [ADSB_VEHICLE](https://mavlink.io/en/m
 * [PINGRX](https://uavionix.com/product/pingrx-pro/) (not tested)
 * [TT-SC1](https://www.aerobits.pl/product/aero/) (tested)
 
+## TT-SC1 settings
+* download software for ADSB TT-SC1 from https://www.aerobits.pl/product/aero/ , file Micro_ADSB_App-vX.XX.X_win_setup.zip and install it
+* connect your ADSB to FC, connect both RX and TX pins
+* in INAV configurator ports TAB set telemetry MAVLINK, and baudrate 115200
+* go to CLI in inav configurator and set serialpassthrough for port you connected ADSB ```serialpassthrough [PORT_YOU_SELECTED - 1] 115200 rxtx``` and close configurator
+* open ADSB program you installed, got to settings and set "telemetry" = MAVLINK,
+
+PCB board for TT-SC1-B module https://oshwlab.com/error414/adsb-power-board
+![TT-SC1 settings](Screenshots/ADSB_TTSC01_settings.png)
 
diff --git a/docs/Screenshots/ADSB_TTSC01_settings.png b/docs/Screenshots/ADSB_TTSC01_settings.png
new file mode 100644
index 0000000000..b98b73c445
Binary files /dev/null and b/docs/Screenshots/ADSB_TTSC01_settings.png differ
diff --git a/src/main/fc/fc_msp.c b/src/main/fc/fc_msp.c
index c8ae27f270..9f6508c194 100644
--- a/src/main/fc/fc_msp.c
+++ b/src/main/fc/fc_msp.c
@@ -956,6 +956,8 @@ static bool mspFcProcessOutCommand(uint16_t cmdMSP, sbuf_t *dst, mspPostProcessF
 #ifdef USE_ADSB
         sbufWriteU8(dst, MAX_ADSB_VEHICLES);
         sbufWriteU8(dst, ADSB_CALL_SIGN_MAX_LENGTH);
+        sbufWriteU32(dst, getAdsbStatus()->vehiclesMessagesTotal);
+        sbufWriteU32(dst, getAdsbStatus()->heartbeatMessagesTotal);
 
         for(uint8_t i = 0; i < MAX_ADSB_VEHICLES; i++){
 
@@ -977,6 +979,8 @@ static bool mspFcProcessOutCommand(uint16_t cmdMSP, sbuf_t *dst, mspPostProcessF
 #else
         sbufWriteU8(dst, 0);
         sbufWriteU8(dst, 0);
+        sbufWriteU32(dst, 0);
+        sbufWriteU32(dst, 0);
 #endif
             break;
     case MSP_DEBUG:
diff --git a/src/main/io/adsb.c b/src/main/io/adsb.c
index 573112c2df..260f89fa6a 100644
--- a/src/main/io/adsb.c
+++ b/src/main/io/adsb.c
@@ -131,6 +131,11 @@ void gpsDistanceCmBearing(int32_t currentLat1, int32_t currentLon1, int32_t dest
     *bearing = wrap_36000(*bearing);
 };
 
+bool adsbHeartbeat(void){
+    adsbVehiclesStatus.heartbeatMessagesTotal++;
+    return true;
+}
+
 void adsbNewVehicle(adsbVehicleValues_t* vehicleValuesLocal) {
 
     // no valid lat lon or altitude
@@ -139,6 +144,7 @@ void adsbNewVehicle(adsbVehicleValues_t* vehicleValuesLocal) {
     }
 
     adsbVehiclesStatus.vehiclesMessagesTotal++;
+
     adsbVehicle_t *vehicle = NULL;
 
     vehicle = findVehicleByIcao(vehicleValuesLocal->icao);
diff --git a/src/main/io/adsb.h b/src/main/io/adsb.h
index 86eefd8aac..77f2e31fa4 100644
--- a/src/main/io/adsb.h
+++ b/src/main/io/adsb.h
@@ -54,9 +54,11 @@ typedef struct {
 
 typedef struct {
    uint32_t vehiclesMessagesTotal;
+   uint32_t heartbeatMessagesTotal;
 } adsbVehicleStatus_t;
 
 void adsbNewVehicle(adsbVehicleValues_t* vehicleValuesLocal);
+bool adsbHeartbeat(void);
 adsbVehicle_t * findVehicleClosest(void);
 adsbVehicle_t * findVehicle(uint8_t index);
 uint8_t getActiveVehiclesCount(void);
diff --git a/src/main/io/osd.c b/src/main/io/osd.c
index d682c0299f..fff22479f0 100644
--- a/src/main/io/osd.c
+++ b/src/main/io/osd.c
@@ -2136,7 +2136,7 @@ static bool osdDrawSingleElement(uint8_t item)
         case OSD_ADSB_INFO:
         {
             buff[0] = SYM_ADSB;
-            if(getAdsbStatus()->vehiclesMessagesTotal > 0){
+            if(getAdsbStatus()->vehiclesMessagesTotal > 0 || getAdsbStatus()->heartbeatMessagesTotal > 0){
                 tfp_sprintf(buff + 1, "%2d", getActiveVehiclesCount());
             }else{
                 buff[1] = '-';
diff --git a/src/main/telemetry/mavlink.c b/src/main/telemetry/mavlink.c
index c8f5600d6e..4e8d54535a 100644
--- a/src/main/telemetry/mavlink.c
+++ b/src/main/telemetry/mavlink.c
@@ -1134,6 +1134,22 @@ static bool handleIncoming_RADIO_STATUS(void) {
     return true;
 }
 
+static bool handleIncoming_HEARTBEAT(void) {
+    mavlink_heartbeat_t msg;
+    mavlink_msg_heartbeat_decode(&mavRecvMsg, &msg);
+
+    switch (msg.type) {
+#ifdef USE_ADSB
+        case MAV_TYPE_ADSB:
+            return adsbHeartbeat();
+#endif
+        default:
+            break;
+    }
+    
+    return false;
+}
+
 #ifdef USE_ADSB
 static bool handleIncoming_ADSB_VEHICLE(void) {
     mavlink_adsb_vehicle_t msg;
@@ -1188,7 +1204,7 @@ static bool processMAVLinkIncomingTelemetry(void)
         if (result == MAVLINK_FRAMING_OK) {
             switch (mavRecvMsg.msgid) {
                 case MAVLINK_MSG_ID_HEARTBEAT:
-                    break;
+                   return handleIncoming_HEARTBEAT();
                 case MAVLINK_MSG_ID_PARAM_REQUEST_LIST:
                     return handleIncoming_PARAM_REQUEST_LIST();
                 case MAVLINK_MSG_ID_MISSION_CLEAR_ALL: