777 Professional is another great milestone in the Professional series - superb detail, accurate modeling and realistic flight characteristics add up to a 777 that's so good you'll only be able to improve on it if you fly a real one! 777 Professional continues the heritage of high-quality airliner simulations from the acclaimed PSS (Phoenix Simulation Software) development team. Supplied in both the -200LR, -200LRF Freighter and -300ER variants, the package includes an extensive 26 airline liveries that cover the world, authentic sounds and a refined flight model.