--- a/src/aircraft.h	Thu Apr 24 21:52:22 2008 +0000
+++ b/src/aircraft.h	Thu Apr 24 21:53:20 2008 +0000
@@ -9,6 +9,7 @@
 #include "station_base.h"
 #include "vehicle_base.h"
 #include "engine_func.h"
+#include "airport.h"
 
 /** An aircraft can be one ot those types */
 enum AircraftSubType {
@@ -34,6 +35,25 @@
 	return (v->subtype & 0x07) <= AIR_AIRCRAFT;
 }
 
+/** Check if the aircraft state is a takeoff
+ * @param v vehicle to check
+ * @return Returns true if the aircraft state is a takeoff
+ * false if it is any other state) */
+static inline bool IsEndTakeoffState(const Vehicle *v)
+{
+	assert(v->type == VEH_AIRCRAFT);
+
+	switch (v->u.air.state) {
+		case ENDTAKEOFF:
+		case SMALLENDTAKEOFF:
+		case HELIENDTAKEOFF:
+		case BLIMPENDTAKEOFF:
+			return true;
+		default:
+			return false;
+	}
+}
+
 /** Checks if an aircraft can use the station in question
  * @param engine The engine to test
  * @param st The station