diff --git a/src/blackmisc/geo/coordinategeodetic.cpp b/src/blackmisc/geo/coordinategeodetic.cpp
index b7389b62e..aa39009b1 100644
--- a/src/blackmisc/geo/coordinategeodetic.cpp
+++ b/src/blackmisc/geo/coordinategeodetic.cpp
@@ -180,6 +180,11 @@ namespace BlackMisc
             }
         }
 
+        CCoordinateGeodetic::CCoordinateGeodetic(const std::array<double, 3> &normalVector)
+        {
+            this->setNormalVector(normalVector);
+        }
+
         CCoordinateGeodetic::CCoordinateGeodetic(const CLatitude &latitude, const CLongitude &longitude, const CAltitude &geodeticHeight) :
             m_x(latitude.cos() * longitude.cos()),
             m_y(latitude.cos() * longitude.sin()),
@@ -194,11 +199,10 @@ namespace BlackMisc
             CCoordinateGeodetic({ latitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { longitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { heightFeet, PhysicalQuantities::CLengthUnit::ft() }) {}
 
         CCoordinateGeodetic::CCoordinateGeodetic(const ICoordinateGeodetic &coordinate) :
-            m_x(coordinate.normalVectorDouble()[0]),
-            m_y(coordinate.normalVectorDouble()[1]),
-            m_z(coordinate.normalVectorDouble()[2]),
             m_geodeticHeight(coordinate.geodeticHeight())
-        { }
+        {
+            this->setNormalVector(coordinate.normalVectorDouble());
+        }
 
         CLatitude CCoordinateGeodetic::latitude() const
         {
@@ -248,6 +252,14 @@ namespace BlackMisc
             this->setGeodeticHeight(CAltitude::null());
         }
 
+        void CCoordinateGeodetic::setNormalVector(const std::array<double, 3> &normalVector)
+        {
+            Q_ASSERT_X(normalVector.size() == 3, Q_FUNC_INFO, "Wrong vector size");
+            m_x = normalVector[0];
+            m_y = normalVector[1];
+            m_z = normalVector[2];
+        }
+
         CCoordinateGeodetic &CCoordinateGeodetic::switchUnit(const CLengthUnit &unit)
         {
             m_geodeticHeight.switchUnit(unit);
diff --git a/src/blackmisc/geo/coordinategeodetic.h b/src/blackmisc/geo/coordinategeodetic.h
index 11a097ae2..0cf09fd99 100644
--- a/src/blackmisc/geo/coordinategeodetic.h
+++ b/src/blackmisc/geo/coordinategeodetic.h
@@ -205,6 +205,9 @@ namespace BlackMisc
             //! Constructor by normal vector
             CCoordinateGeodetic(const QVector3D &normal) : m_x(normal.x()), m_y(normal.y()), m_z(normal.z()) {}
 
+            //! Constructor by normal vector
+            CCoordinateGeodetic(const std::array<double, 3> &normalVector);
+
             //! Constructor by values
             CCoordinateGeodetic(const CLatitude &latitude, const CLongitude &longitude, const Aviation::CAltitude &geodeticHeight);
 
@@ -262,6 +265,9 @@ namespace BlackMisc
             //! Set normal vector
             void setNormalVector(double x, double y, double z) { m_x = x; m_y = y; m_z = z; }
 
+            //! Set normal vector
+            void setNormalVector(const std::array<double, 3> &normalVector);
+
             //! Set to null
             void setNull()
             {