diff --git a/src/MissionManager/MissionController.cc b/src/MissionManager/MissionController.cc
index f03b8fa837c947d70dd6cab72f7c2a71e1e1419a..0ec0ccb4961f770659d97c635a1fc1f2b7c2cfa3 100644
--- a/src/MissionManager/MissionController.cc
+++ b/src/MissionManager/MissionController.cc
@@ -29,6 +29,7 @@
 #include "QGCQGeoCoordinate.h"
 #include "PlanMasterController.h"
 #include "KML.h"
+#include "QGCCorePlugin.h"
 
 #ifndef __mobile__
 #include "MainWindow.h"
@@ -56,22 +57,22 @@ const char* MissionController::_jsonMavAutopilotKey =           "MAV_AUTOPILOT";
 const int   MissionController::_missionFileVersion =            2;
 
 MissionController::MissionController(PlanMasterController* masterController, QObject *parent)
-    : PlanElementController         (masterController, parent)
-    , _missionManager               (_managerVehicle->missionManager())
-    , _missionItemCount             (0)
-    , _visualItems                  (nullptr)
-    , _settingsItem                 (nullptr)
-    , _firstItemsFromVehicle        (false)
-    , _itemsRequested               (false)
-    , _inRecalcSequence             (false)
-    , _surveyMissionItemName        (tr("Survey"))
-    , _fwLandingMissionItemName     (tr("Fixed Wing Landing"))
-    , _structureScanMissionItemName (tr("Structure Scan"))
-    , _corridorScanMissionItemName  (tr("Corridor Scan"))
-    , _appSettings                  (qgcApp()->toolbox()->settingsManager()->appSettings())
-    , _progressPct                  (0)
-    , _currentPlanViewIndex         (-1)
-    , _currentPlanViewItem          (nullptr)
+    : PlanElementController     (masterController, parent)
+    , patternFWLandingName      (tr("Fixed Wing Landing"))
+    , patternStructureScanName  (tr("Structure Scan"))
+    , patternCorridorScanName   (tr("Corridor Scan"))
+    , _missionManager           (_managerVehicle->missionManager())
+    , _missionItemCount         (0)
+    , _visualItems              (nullptr)
+    , _settingsItem             (nullptr)
+    , _firstItemsFromVehicle    (false)
+    , _itemsRequested           (false)
+    , _inRecalcSequence         (false)
+    , _surveyMissionItemName    (tr("Survey"))
+    , _appSettings              (qgcApp()->toolbox()->settingsManager()->appSettings())
+    , _progressPct              (0)
+    , _currentPlanViewIndex     (-1)
+    , _currentPlanViewItem      (nullptr)
 {
     _resetMissionFlightStatus();
     managerVehicleChanged(_managerVehicle);
@@ -414,11 +415,11 @@ int MissionController::insertComplexMissionItem(QString itemName, QGeoCoordinate
     if (itemName == _surveyMissionItemName) {
         newItem = new SurveyComplexItem(_controllerVehicle, _flyView, QString() /* kmlFile */, _visualItems /* parent */);
         newItem->setCoordinate(mapCenterCoordinate);
-    } else if (itemName == _fwLandingMissionItemName) {
+    } else if (itemName == patternFWLandingName) {
         newItem = new FixedWingLandingComplexItem(_controllerVehicle, _flyView, _visualItems /* parent */);
-    } else if (itemName == _structureScanMissionItemName) {
+    } else if (itemName == patternStructureScanName) {
         newItem = new StructureScanComplexItem(_controllerVehicle, _flyView, QString() /* kmlFile */, _visualItems /* parent */);
-    } else if (itemName == _corridorScanMissionItemName) {
+    } else if (itemName == patternCorridorScanName) {
         newItem = new CorridorScanComplexItem(_controllerVehicle, _flyView, QString() /* kmlFile */, _visualItems /* parent */);
     } else {
         qWarning() << "Internal error: Unknown complex item:" << itemName;
@@ -434,9 +435,9 @@ int MissionController::insertComplexMissionItemFromKMLOrSHP(QString itemName, QS
 
     if (itemName == _surveyMissionItemName) {
         newItem = new SurveyComplexItem(_controllerVehicle, _flyView, file, _visualItems);
-    } else if (itemName == _structureScanMissionItemName) {
+    } else if (itemName == patternStructureScanName) {
         newItem = new StructureScanComplexItem(_controllerVehicle, _flyView, file, _visualItems);
-    } else if (itemName == _corridorScanMissionItemName) {
+    } else if (itemName == patternCorridorScanName) {
         newItem = new CorridorScanComplexItem(_controllerVehicle, _flyView, file, _visualItems);
     } else {
         qWarning() << "Internal error: Unknown complex item:" << itemName;
@@ -1951,15 +1952,15 @@ QStringList MissionController::complexMissionItemNames(void) const
     QStringList complexItems;
 
     complexItems.append(_surveyMissionItemName);
-    complexItems.append(_corridorScanMissionItemName);
+    complexItems.append(patternCorridorScanName);
     if (_controllerVehicle->fixedWing()) {
-        complexItems.append(_fwLandingMissionItemName);
+        complexItems.append(patternFWLandingName);
     }
     if (_controllerVehicle->multiRotor() || _controllerVehicle->vtol()) {
-        complexItems.append(_structureScanMissionItemName);
+        complexItems.append(patternStructureScanName);
     }
 
-    return complexItems;
+    return qgcApp()->toolbox()->corePlugin()->complexMissionItemNames(_controllerVehicle, complexItems);
 }
 
 void MissionController::resumeMission(int resumeIndex)
diff --git a/src/MissionManager/MissionController.h b/src/MissionManager/MissionController.h
index 02747b6c9341eafd67a1d15083e1161ce0d580f1..2d4d269b8ea8e6b37f3a14a6ea8e7efd6f6aaf5c 100644
--- a/src/MissionManager/MissionController.h
+++ b/src/MissionManager/MissionController.h
@@ -175,8 +175,8 @@ public:
     VisualMissionItem*  currentPlanViewItem         (void) const;
     double              progressPct                 (void) const { return _progressPct; }
     QString             surveyComplexItemName       (void) const { return _surveyMissionItemName; }
-    QString             corridorScanComplexItemName (void) const { return _corridorScanMissionItemName; }
-    QString             structureScanComplexItemName(void) const { return _structureScanMissionItemName; }
+    QString             corridorScanComplexItemName (void) const { return patternCorridorScanName; }
+    QString             structureScanComplexItemName(void) const { return patternStructureScanName; }
 
     int missionItemCount            (void) const { return _missionItemCount; }
     int currentMissionIndex         (void) const;
@@ -194,6 +194,12 @@ public:
     int  batteryChangePoint         (void) const { return _missionFlightStatus.batteryChangePoint; }    ///< -1 for not supported, 0 for not needed
     int  batteriesRequired          (void) const { return _missionFlightStatus.batteriesRequired; }     ///< -1 for not supported
 
+    // These are the names shown in the UI for the pattern items. They are public so custom builds can remove the ones
+    // they don't want through the QGCCorePlugin::
+    QString patternFWLandingName;
+    QString patternStructureScanName;
+    QString patternCorridorScanName;
+
 signals:
     void visualItemsChanged             (void);
     void waypointLinesChanged           (void);
@@ -285,9 +291,6 @@ private:
     bool                    _inRecalcSequence;
     MissionFlightStatus_t   _missionFlightStatus;
     QString                 _surveyMissionItemName;
-    QString                 _fwLandingMissionItemName;
-    QString                 _structureScanMissionItemName;
-    QString                 _corridorScanMissionItemName;
     AppSettings*            _appSettings;
     double                  _progressPct;
     int                     _currentPlanViewIndex;
diff --git a/src/api/QGCCorePlugin.h b/src/api/QGCCorePlugin.h
index 13deb754b36299775f9001bf4a08d3d2f348fb2c..a4812577ec933c2593e3647e866efb722b113ad0 100644
--- a/src/api/QGCCorePlugin.h
+++ b/src/api/QGCCorePlugin.h
@@ -139,6 +139,11 @@ public:
     /// Custom builds must override to provide their own location.
     virtual QString stableDownloadLocation(void) const { return QString("qgroundcontrol.com"); }
 
+    /// Returns the complex mission items to display in the Plan UI
+    ///     @param complexMissionItemNames Default set of complex items
+    /// @return Complex items to be made available to user
+    virtual QStringList complexMissionItemNames(Vehicle* vehicle, const QStringList& complexMissionItemNames) { Q_UNUSED(vehicle); return complexMissionItemNames; }
+
     bool showTouchAreas(void) const { return _showTouchAreas; }
     bool showAdvancedUI(void) const { return _showAdvancedUI; }
     void setShowTouchAreas(bool show);