– FSX “Soft Horizons” flight2000it 15 years ago FSX “Soft Horizons”. This is a texture package which smooths the transition between sky and ground for Flight Simulator X. This package may not work with other sky environment add-ons. By John Cillis. 194 Kb FSX – Douglas A2D Skyshark UpdateFSX/FS2004 – ATR 72-500 Sky ExpressFSX/FS2004 – ATR 42-500 Sky Express