diff --git a/src/newgrf_station.cpp b/src/newgrf_station.cpp
--- a/src/newgrf_station.cpp
+++ b/src/newgrf_station.cpp
@@ -524,11 +524,11 @@ uint32 Station::GetNewGRFVariable(const 
 		}
 
 		case 0x8A: return this->had_vehicle_of_type;
-		case 0xF1: return (this->airport.tile != INVALID_TILE) ? this->GetAirportSpec()->ttd_airport_type : ATP_TTDP_LARGE;
+		case 0xF1: return (this->airport.tile != INVALID_TILE) ? this->airport.GetSpec()->ttd_airport_type : ATP_TTDP_LARGE;
 		case 0xF2: return (this->truck_stops != NULL) ? this->truck_stops->status : 0;
 		case 0xF3: return (this->bus_stops != NULL)   ? this->bus_stops->status   : 0;
-		case 0xF6: return this->airport_flags;
-		case 0xF7: return GB(this->airport_flags, 8, 8);
+		case 0xF6: return this->airport.flags;
+		case 0xF7: return GB(this->airport.flags, 8, 8);
 	}
 
 	/* Handle cargo variables with parameter, 0x60 to 0x65 */