Index: src/station.h
===================================================================
--- src/station.h	(revision 9511)
+++ src/station.h	(working copy)
@@ -118,7 +118,8 @@
 
 		const AirportFTAClass *Airport() const
 		{
-			assert(airport_tile != 0);
+			// assert(airport_tile != 0);
+
 			return GetAirport(airport_type);
 		}