LPFAFerreira do Alentejo prived certified general and ULM aviation airfield. This freeware scenery was created using pictures from internet as well as real measures by Google Earth and official information at http. www. nav. pt ais VFRs ferreira%20do%20alen tejo. pdf (it is supposed you download the file and read it carefully). This scenery is to be used EXCLUSIVELLY with Portugal Terrain from PTSIM (http. www. ptsim. com) Freeware. For Microsoft FS2004. NOT tested for FSX. By Joao Ferreira.