diff --git a/src/blackgui/altitudeedit.cpp b/src/blackgui/altitudeedit.cpp
new file mode 100644
index 000000000..66a5e547c
--- /dev/null
+++ b/src/blackgui/altitudeedit.cpp
@@ -0,0 +1,44 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "altitudeedit.h"
+#include <QRegularExpressionValidator>
+#include <QMessageBox>
+
+using namespace BlackMisc;
+using namespace BlackMisc::Aviation;
+using namespace BlackMisc::PhysicalQuantities;
+
+namespace BlackGui
+{
+    CAltitudeEdit::CAltitudeEdit(QWidget *parent) : QLineEdit(parent)
+    {
+        this->setToolTip("Altitude e.g. " + CAltitude::fpAltitudeInfo("<br>"));
+        this->setPlaceholderText(CAltitude::fpAltitudeExamples());
+        this->setValidator(new QRegularExpressionValidator(CAltitude::fpAltitudeRegExp(), this));
+    }
+
+    CAltitude CAltitudeEdit::getAltitude() const
+    {
+        CAltitude a;
+        a.parseFromFpAltitudeString(this->text());
+        return a;
+    }
+
+    void CAltitudeEdit::setAltitude(const CAltitude &altitude)
+    {
+        this->setText(altitude.asFpAltitudeString());
+    }
+
+    bool CAltitudeEdit::isValid(CStatusMessageList *msgs) const
+    {
+        CAltitude a;
+        return a.parseFromFpAltitudeString(this->text(), msgs);
+    }
+} // ns
diff --git a/src/blackgui/altitudeedit.h b/src/blackgui/altitudeedit.h
new file mode 100644
index 000000000..92edff79e
--- /dev/null
+++ b/src/blackgui/altitudeedit.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_ALTITUDEEDIT_H
+#define BLACKGUI_ALTITUDEEDIT_H
+
+#include "blackmisc/aviation/altitude.h"
+#include "blackmisc/statusmessagelist.h"
+#include "blackgui/blackguiexport.h"
+#include <QLineEdit>
+#include <QRegularExpression>
+
+namespace BlackGui
+{
+    /*!
+     * Line edit for altitude as used in flight plan
+     */
+    class BLACKGUI_EXPORT CAltitudeEdit : public QLineEdit
+    {
+    public:
+        //! Constructor
+        CAltitudeEdit(QWidget *parent = nullptr);
+
+        //! Get altitude
+        BlackMisc::Aviation::CAltitude getAltitude() const;
+
+        //! Set altitude
+        void setAltitude(const BlackMisc::Aviation::CAltitude &altitude);
+
+        //! Valid altitude
+        bool isValid(BlackMisc::CStatusMessageList *msgs = nullptr) const;
+    };
+} // ns
+
+#endif // guard