-// Set current_options lon/lat given an airport id and heading (degrees)
-bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg );
+/*
+ * Search in the current directory, and in on directory deeper
+ * for <aircraft>-set.xml configuration files and show the aircaft name
+ * and the contents of the<description> tag in a sorted manner.
+ *
+ * @parampath the directory to search for configuration files
+ */
+void fgShowAircraft(const SGPath &path);