diff --git a/src/blackgui/models/columnformatters.cpp b/src/blackgui/models/columnformatters.cpp
index 97f95dc6c..508bf6f40 100644
--- a/src/blackgui/models/columnformatters.cpp
+++ b/src/blackgui/models/columnformatters.cpp
@@ -372,7 +372,7 @@ namespace BlackGui
 
         CVariant CBoolIconFormatter::displayRole(const CVariant &dataCVariant) const
         {
-            Q_UNUSED(dataCVariant);
+            Q_UNUSED(dataCVariant)
             Q_ASSERT_X(false, "CBoolIconFormatter", "this role should be disabled with icon boolean");
             return CVariant();
         }
@@ -396,7 +396,14 @@ namespace BlackGui
         CVariant CAltitudeFormatter::displayRole(const CVariant &altitude) const
         {
             CAltitude alt(altitude.to<CAltitude>());
-            if (m_flightLevel) { alt.toFlightLevel(); }
+            if (m_flightLevel)
+            {
+                alt.toFlightLevel();
+            }
+            else
+            {
+                alt.switchUnit(m_unit);
+            }
             return alt.toQString(m_useI18n);
         }
 
@@ -405,7 +412,7 @@ namespace BlackGui
 
         CVariant CColorFormatter::displayRole(const CVariant &dataCVariant) const
         {
-            Q_UNUSED(dataCVariant);
+            Q_UNUSED(dataCVariant)
             Q_ASSERT_X(false, Q_FUNC_INFO, "this role should be disabled with RGB color");
             return CVariant();
         }
diff --git a/src/blackgui/models/columnformatters.h b/src/blackgui/models/columnformatters.h
index d22141ec6..e31f96d17 100644
--- a/src/blackgui/models/columnformatters.h
+++ b/src/blackgui/models/columnformatters.h
@@ -350,10 +350,17 @@ namespace BlackGui
             //! Constructor
             CAltitudeFormatter(bool flightlevel = false, int alignment = alignRightVCenter(), bool i18n = true) : CDefaultFormatter(alignment, i18n), m_flightLevel(flightlevel) {}
 
+            //! Constructor
+            CAltitudeFormatter(const BlackMisc::PhysicalQuantities::CLengthUnit &unit, bool flightlevel = false, int alignment = alignRightVCenter(), bool i18n = true) : CDefaultFormatter(alignment, i18n), m_unit(unit), m_flightLevel(flightlevel) {}
+
+            //! Set the unit, normally ft/m
+            void setUnit(const BlackMisc::PhysicalQuantities::CLengthUnit &unit);
+
             //! \copydoc CDefaultFormatter::displayRole
             virtual BlackMisc::CVariant displayRole(const BlackMisc::CVariant &altitude) const override;
 
         private:
+            BlackMisc::PhysicalQuantities::CLengthUnit m_unit = BlackMisc::PhysicalQuantities::CLengthUnit::ft();
             const bool m_flightLevel = false;
         };