--- a/src/aircraft.h	Wed Apr 18 18:20:31 2007 +0000
+++ b/src/aircraft.h	Wed Apr 18 18:37:40 2007 +0000
@@ -109,4 +109,10 @@
  */
 void UpdateAirplanesOnNewStation(const Station *st);
 
+/** Update cached values of an aircraft.
+ * Currently caches callback 36 max speed.
+ * @param v Vehicle
+ */
+void UpdateAircraftCache(Vehicle *v);
+
 #endif /* AIRCRAFT_H */