Ref T298, better ICAO family resolution

B737/DLH searched but B738/DLH present (same family but not same ICAO)

src/blackmisc/simulation/simulatedaircraft.h

@@ -131,6 +131,9 @@ namespace BlackMisc
             //! Aircraft ICAO code designator
             const QString &getAircraftIcaoCodeDesignator() const;
 
+            //! Aircraft and Airline ICAO code designators
+            QString getAirlineAndAircraftIcaoCodeDesignators() const;
+
             //! Aircraft ICAO combined code
             const QString &getAircraftIcaoCombinedType() const;