diff --git a/src/blackmisc/aviation/airport.cpp b/src/blackmisc/aviation/airport.cpp
index d02e860a9..b231257c1 100644
--- a/src/blackmisc/aviation/airport.cpp
+++ b/src/blackmisc/aviation/airport.cpp
@@ -38,6 +38,13 @@ namespace BlackMisc
             m_icao(icao), m_descriptiveName(descriptiveName), m_position(position)
         { }
 
+        void CAirport::updateMissingParts(const CAirport &airport)
+        {
+            if (!this->m_country.hasIsoCode() && airport.getCountry().hasIsoCode()) { this->m_country = airport.getCountry(); }
+            if (this->m_descriptiveName.isEmpty()) { this->m_descriptiveName = airport.getDescriptiveName(); }
+            if (this->m_descriptiveName.isEmpty()) { this->m_descriptiveName = airport.getDescriptiveName(); }
+        }
+
         QString CAirport::convertToQString(bool i18n) const
         {
             QString s = i18n ? QCoreApplication::translate("Aviation", "Airport") : "Airport";
diff --git a/src/blackmisc/aviation/airport.h b/src/blackmisc/aviation/airport.h
index 93d684e53..819eb1f89 100644
--- a/src/blackmisc/aviation/airport.h
+++ b/src/blackmisc/aviation/airport.h
@@ -105,6 +105,9 @@ namespace BlackMisc
             //! Sets the value of \sa isOperating().
             void setOperating(bool operating) { m_operating = operating; }
 
+            //! Update the missing parts in airport
+            void updateMissingParts(const CAirport &airport);
+
             //! \copydoc Geo::ICoordinateGeodetic::geodeticHeight
             //! \remarks this should be used for elevation as depicted here: http://en.wikipedia.org/wiki/Altitude#mediaviewer/File:Vertical_distances.svg
             const BlackMisc::PhysicalQuantities::CLength &geodeticHeight() const override { return this->m_position.geodeticHeight(); }
diff --git a/src/blackmisc/aviation/airportlist.cpp b/src/blackmisc/aviation/airportlist.cpp
index 6314cc929..655d97a8a 100644
--- a/src/blackmisc/aviation/airportlist.cpp
+++ b/src/blackmisc/aviation/airportlist.cpp
@@ -32,12 +32,31 @@ namespace BlackMisc
             return this->findBy(&CAirport::getIcao, icao);
         }
 
+        bool CAirportList::containsAirportWithIcaoCode(const CAirportIcaoCode &icao) const
+        {
+            if (icao.isEmpty()) { return false; }
+            return this->contains(&CAirport::getIcao, icao);
+        }
+
         void CAirportList::replaceOrAddByIcao(const CAirport &addedOrReplacedAirport)
         {
             if (!addedOrReplacedAirport.hasValidIcaoCode()) return; // ignore invalid airport
             this->replaceOrAdd(&CAirport::getIcao, addedOrReplacedAirport.getIcao(), addedOrReplacedAirport);
         }
 
+        void CAirportList::updateMissingParts(const CAirportList &updateFromList)
+        {
+            if (updateFromList.isEmpty()) { return; }
+            for (CAirport &airport : *this)
+            {
+                const CAirport fromAirport = updateFromList.findFirstByIcao(airport.getIcao());
+                if (fromAirport.hasValidIcaoCode())
+                {
+                    airport.updateMissingParts(fromAirport);
+                }
+            }
+        }
+
         CAirport CAirportList::findFirstByIcao(const CAirportIcaoCode &icao, const CAirport &ifNotFound) const
         {
             return this->findFirstByOrDefault(&CAirport::getIcao, icao, ifNotFound);
diff --git a/src/blackmisc/aviation/airportlist.h b/src/blackmisc/aviation/airportlist.h
index c19d350b2..7e7de0b8a 100644
--- a/src/blackmisc/aviation/airportlist.h
+++ b/src/blackmisc/aviation/airportlist.h
@@ -46,9 +46,15 @@ namespace BlackMisc
             //! Find 0..n airports by ICAO code
             CAirportList findByIcao(const CAirportIcaoCode &icao) const;
 
+            //! Containing an airport with given ICAO code?
+            bool containsAirportWithIcaoCode(const CAirportIcaoCode &icao) const;
+
             //! Replace or add based on same ICAO code
             void replaceOrAddByIcao(const CAirport &addedOrReplacedAirport);
 
+            //! Update this list from the other list
+            void updateMissingParts(const CAirportList &updateFromList);
+
             //! Find first station by callsign, if not return given value / default
             CAirport findFirstByIcao(const CAirportIcaoCode &icao, const CAirport &ifNotFound = CAirport()) const;