diff --git a/src/blackcore/webdataservices.cpp b/src/blackcore/webdataservices.cpp
index 63a5099b0..da5b41d38 100644
--- a/src/blackcore/webdataservices.cpp
+++ b/src/blackcore/webdataservices.cpp
@@ -600,6 +600,12 @@ namespace BlackCore
         return CAirlineIcaoCodeList();
     }
 
+    bool CWebDataServices::containsAirlineIcaoDesignator(const QString &designator) const
+    {
+        if (designator.isEmpty()) { return false; }
+        return this->getAirlineIcaoCodes().containsDesignator(designator);
+    }
+
     int CWebDataServices::getAirlineIcaoCodesCount() const
     {
         if (m_icaoDataReader) { return m_icaoDataReader->getAirlineIcaoCodesCount(); }
diff --git a/src/blackcore/webdataservices.h b/src/blackcore/webdataservices.h
index 13869d385..9414ea1fd 100644
--- a/src/blackcore/webdataservices.h
+++ b/src/blackcore/webdataservices.h
@@ -262,6 +262,10 @@ namespace BlackCore
         //! \threadsafe
         BlackMisc::Aviation::CAirlineIcaoCodeList getAirlineIcaoCodes() const;
 
+        //! Contains the given designator
+        //! \threadsafe
+        bool containsAirlineIcaoDesignator(const QString &designator) const;
+
         //! Airline names
         //! \threadsafe
         QStringList getAirlineNames() const;
diff --git a/src/blackmisc/aviation/airlineicaocodelist.cpp b/src/blackmisc/aviation/airlineicaocodelist.cpp
index 9c345ada2..1474fed9a 100644
--- a/src/blackmisc/aviation/airlineicaocodelist.cpp
+++ b/src/blackmisc/aviation/airlineicaocodelist.cpp
@@ -256,5 +256,11 @@ namespace BlackMisc
             if (sort) { c.sort(); }
             return c;
         }
+
+        bool CAirlineIcaoCodeList::containsDesignator(const QString &designator) const
+        {
+            if (designator.isEmpty()) { return false; }
+            return this->contains(&CAirlineIcaoCode::getDesignator, designator.toUpper());
+        }
     } // ns
 } // ns
diff --git a/src/blackmisc/aviation/airlineicaocodelist.h b/src/blackmisc/aviation/airlineicaocodelist.h
index d75933694..68464e158 100644
--- a/src/blackmisc/aviation/airlineicaocodelist.h
+++ b/src/blackmisc/aviation/airlineicaocodelist.h
@@ -95,6 +95,9 @@ namespace BlackMisc
             //! String list for completion by name
             QStringList toNameCompleterStrings(bool sort = true) const;
 
+            //! Contains given designator?
+            bool containsDesignator(const QString &designator) const;
+
             //! From our DB JSON
             static CAirlineIcaoCodeList fromDatabaseJson(const QJsonArray &array, bool ignoreIncomplete = true, CAirlineIcaoCodeList *inconsistent = nullptr);
         };