diff --git a/src/uas/UASParameterCommsMgr.cc b/src/uas/UASParameterCommsMgr.cc
index 594e2447ec69ba805b5eadca58dbed0c95c01429..25e772b3ccb54dac10f7c6f5393566187fe0084f 100644
--- a/src/uas/UASParameterCommsMgr.cc
+++ b/src/uas/UASParameterCommsMgr.cc
@@ -5,6 +5,8 @@
 #include "QGCUASParamManager.h"
 #include "UASInterface.h"
 
+#define RC_CAL_CHAN_MAX 8
+
 UASParameterCommsMgr::UASParameterCommsMgr(QObject *parent, UASInterface *uas) :
     QObject(parent),
     mav(uas),
@@ -212,6 +214,35 @@ void UASParameterCommsMgr::requestParameterUpdate(int component, const QString&
     }
 }
 
+void UASParameterCommsMgr::requestRcCalibrationParamsUpdate()
+{
+    if (!transmissionListMode) {
+        QString minTpl("RC%1_MIN");
+        QString maxTpl("RC%1_MAX");
+        QString trimTpl("RC%1_TRIM");
+        QString revTpl("RC%1_REV");
+
+        // Do not request the RC type, as these values depend on this
+        // active onboard parameter
+
+        for (unsigned int i = 1; i < (RC_CAL_CHAN_MAX+1); ++i)  {
+            qDebug() << "Request RC " << i;
+            mav->requestParameter(0, minTpl.arg(i));
+            QGC::SLEEP::usleep(5000);
+            mav->requestParameter(0, trimTpl.arg(i));
+            QGC::SLEEP::usleep(5000);
+            mav->requestParameter(0, maxTpl.arg(i));
+            QGC::SLEEP::usleep(5000);
+            mav->requestParameter(0, revTpl.arg(i));
+            QGC::SLEEP::usleep(5000);
+        }
+    }
+    else {
+        qDebug() << __FILE__ << __LINE__ << "Ignoring requestRcCalibrationParamsUpdate because we're receiving params list";
+    }
+}
+
+
 /**
  * @param component the subsystem which has the parameter
  * @param parameterName name of the parameter, as delivered by the system
diff --git a/src/uas/UASParameterCommsMgr.h b/src/uas/UASParameterCommsMgr.h
index 68c908bade48ce361cee10055871064e2c4163c9..03f24bb1d74a3894fecf84d0aa7b1cdba6d7f360 100644
--- a/src/uas/UASParameterCommsMgr.h
+++ b/src/uas/UASParameterCommsMgr.h
@@ -68,6 +68,9 @@ public slots:
     /** @brief Request a single parameter update by name */
     virtual void requestParameterUpdate(int component, const QString& parameter);
 
+    /** @brief Request an update of RC parameters */
+    virtual void requestRcCalibrationParamsUpdate();
+
     virtual void receivedParameterUpdate(int uas, int compId, int paramCount, int paramId, QString paramName, QVariant value);
 
 //protected slots:
diff --git a/src/ui/QGCPX4VehicleConfig.cc b/src/ui/QGCPX4VehicleConfig.cc
index d526ed53b3aeb22082067d04dc6aa7a4074e72f4..708d5a0b7b484a3db9f0d8b4097f68b767368d1f 100644
--- a/src/ui/QGCPX4VehicleConfig.cc
+++ b/src/ui/QGCPX4VehicleConfig.cc
@@ -13,9 +13,11 @@
 #include <QMessageBox>
 
 #include "QGCPX4VehicleConfig.h"
-#include "UASManager.h"
+
 #include "QGC.h"
 #include "QGCToolWidget.h"
+#include "UASManager.h"
+#include "UASParameterCommsMgr.h"
 #include "ui_QGCPX4VehicleConfig.h"
 
 
@@ -976,28 +978,8 @@ void QGCPX4VehicleConfig::writeCalibrationRC()
 
 void QGCPX4VehicleConfig::requestCalibrationRC()
 {
-    if (!mav ) {
-        return;
-    }
-
-    QString minTpl("RC%1_MIN");
-    QString maxTpl("RC%1_MAX");
-    QString trimTpl("RC%1_TRIM");
-    QString revTpl("RC%1_REV");
-
-    // Do not request the RC type, as these values depend on this
-    // active onboard parameter
-
-    for (unsigned int i = 1; i < (chanMax+1); ++i)  {
-        qDebug() << "Request RC " << i;
-        mav->requestParameter(0, minTpl.arg(i));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, trimTpl.arg(i));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, maxTpl.arg(i));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, revTpl.arg(i));
-        QGC::SLEEP::usleep(5000);
+    if (mav) {
+        mav->getParamCommsMgr()->requestRcCalibrationParamsUpdate();
     }
 }
 
diff --git a/src/ui/QGCVehicleConfig.cc b/src/ui/QGCVehicleConfig.cc
index ce923ff49f1b82bfd6635c2b79758caa26927a8b..a296f28ff33026f985150b4e47c5e4b1603abf85 100644
--- a/src/ui/QGCVehicleConfig.cc
+++ b/src/ui/QGCVehicleConfig.cc
@@ -13,9 +13,11 @@
 #include <QMessageBox>
 
 #include "QGCVehicleConfig.h"
-#include "UASManager.h"
+
 #include "QGC.h"
 #include "QGCToolWidget.h"
+#include "UASManager.h"
+#include "UASParameterCommsMgr.h"
 #include "ui_QGCVehicleConfig.h"
 
 QGCVehicleConfig::QGCVehicleConfig(QWidget *parent) :
@@ -972,26 +974,8 @@ void QGCVehicleConfig::writeCalibrationRC()
 
 void QGCVehicleConfig::requestCalibrationRC()
 {
-    if (!mav) return;
-
-    QString minTpl("RC%1_MIN");
-    QString maxTpl("RC%1_MAX");
-    QString trimTpl("RC%1_TRIM");
-    QString revTpl("RC%1_REV");
-
-    // Do not request the RC type, as these values depend on this
-    // active onboard parameter
-
-    for (unsigned int i = 0; i < chanMax; ++i)
-    {
-        mav->requestParameter(0, minTpl.arg(i+1));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, trimTpl.arg(i+1));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, maxTpl.arg(i+1));
-        QGC::SLEEP::usleep(5000);
-        mav->requestParameter(0, revTpl.arg(i+1));
-        QGC::SLEEP::usleep(5000);
+    if (mav) {
+        mav->getParamCommsMgr()->requestRcCalibrationParamsUpdate();
     }
 }