/**
* reload the ILS data from XML if required.
- * @result true if the data was refreshed, false if no data was loaded
- * or previously cached data is still correct.
*/
- bool validateILSData();
+ void validateILSData();
SGGeod getTowerLocation() const;
mutable bool mHelipadsLoaded;
mutable bool mTaxiwaysLoaded;
mutable bool mProceduresLoaded;
+
+ mutable bool mThresholdDataLoaded;
bool mILSDataLoaded;
mutable std::vector<FGRunwayRef> mRunways;