diff --git a/src/comm/MAVLinkSimulationWaypointPlanner.cc b/src/comm/MAVLinkSimulationWaypointPlanner.cc
index d855697419d9bb74d35f23c0c4ffb2e22cc3041b..448f499379e13183c5d1e104ccab70124763f4c8 100644
--- a/src/comm/MAVLinkSimulationWaypointPlanner.cc
+++ b/src/comm/MAVLinkSimulationWaypointPlanner.cc
@@ -436,6 +436,8 @@ MAVLinkSimulationWaypointPlanner::MAVLinkSimulationWaypointPlanner(MAVLinkSimula
     link(parent),
     idle(false),
     current_active_wp_id(-1),
+    yawReached(false),
+    posReached(false),
     timestamp_lastoutside_orbit(0),
     timestamp_firstinside_orbit(0),
     waypoints(&waypoints1),
diff --git a/src/uas/UAS.cc b/src/uas/UAS.cc
index 66d5725f7b35aee858f7907c5cc48815f8c738c4..83b1f6bf39f2c4e72b11c002d49e956f7ce6de67 100644
--- a/src/uas/UAS.cc
+++ b/src/uas/UAS.cc
@@ -82,8 +82,8 @@ UAS::UAS(MAVLinkProtocol* protocol, QThread* thread, int id) : UASInterface(),
     lpVoltage(12.0f),
     currentCurrent(0.4f),
     batteryRemainingEstimateEnabled(false),
-    // chargeLevel not initialized
-    // timeRemaining  not initialized
+    chargeLevel(-1),
+    timeRemaining(0),
     lowBattAlarm(false),
 
     startTime(QGC::groundTimeMilliseconds()),
diff --git a/src/ui/linechart/LinechartWidget.cc b/src/ui/linechart/LinechartWidget.cc
index 809c076b1425e51724604560f2187df5a1c910d0..f630a3b1344950c4d4773d79068204e885a066a3 100644
--- a/src/ui/linechart/LinechartWidget.cc
+++ b/src/ui/linechart/LinechartWidget.cc
@@ -72,7 +72,8 @@ LinechartWidget::LinechartWidget(int systemid, QWidget *parent) : QWidget(parent
     logging(false),
     logStartTime(0),
     updateTimer(new QTimer()),
-    selectedMAV(-1)
+    selectedMAV(-1),
+    lastTimestamp(0)
 {
     // Add elements defined in Qt Designer
     ui.setupUi(this);
diff --git a/src/ui/uas/UASQuickView.cc b/src/ui/uas/UASQuickView.cc
index 00183a96d760d0321cfb535c86d15eb5687e52c3..5f1d7891ef89fbcddd78a542bc1d2d6a403a1574 100644
--- a/src/ui/uas/UASQuickView.cc
+++ b/src/ui/uas/UASQuickView.cc
@@ -5,7 +5,8 @@
 #include "UASQuickViewTextItem.h"
 #include <QSettings>
 #include <QInputDialog>
-UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
+UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent),
+    uas(NULL)
 {
     quickViewSelectDialog=0;
     m_columnCount=2;