FSX Scenery--NL2000 v4.03 Leeuwarden Air Base. This is the NL2000 v4.03 EHLW Leeuwarden Air Base package for the NL2000 scenery version 4. You need the NL2000 v4.0.32 installer to install this package. The Netherlands 2000 v4 Scenery is a modular free FSX scenery covering the Netherlands. Visit our website for other available packages. By The Netherlands 2000 Scenery Design Team (www.nl-2000.com).