-// Set pos given an airport id
-bool fgSetPosFromAirportID( const string& id );
-
-// Set position and heading given an airport id and heading (degrees)
-bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg );
-
-// Initialize various time dependent systems (lighting, sun position, etc.)
-// returns a new instance of the SGTime class
-SGTime *fgInitTime();
+/*
+ * 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);