FSX – KERI Runway Extension Update #4, Erie International (Tom Ridge Field) scenery update, Pennsylvania (PA), USA. This update to the KERI 2012 runway extension project scenery is a major overhaul of that scenery. It adds many tweaks and touch-ups that improve scenery accuracy and enhances the realism of the simulation. In addition to the changes and enhancements, Update #4 also adds several custom buildings, signs, etc. to the airport area and beyond. By Richard O. Finley.