FSX Scenery--NL2000 V4 Library. This is the NL2000 v4.02 libraries package for the NL2000 scenery version 4. Mandatory objects used by most airports of NL2000, including effect files and AI Airplanes. You need the NL2000 v4.0.20 installer to install this package. The Netherlands 2000 v4 Scenery is a modular free FSX scenery covering the Netherlands. By The Netherlands 2000 Scenery Design Team (www.nl-2000.com).