There're thousands of add-ons on the Web for the classic FSX and Prepar3D v1 to v3. Take off from anywhere in the world, flying some of the world’s most iconic aircraft to any one of 24,000 destinations.
The concord is a different beast all together, just as any depiction of super sonic flight. The center of gravity must be calculated. Altitude must also be considered, as the skin of the aircraft heats up with the high speed. Calculate passenger and luggage to center your gravity. Read the procedures on line. Learn about the aircraft. There is a sound bite error on the aircraft that is hard on the ears in the form of music that is distorted . The creator put this file in the aircraft sound folder by mistake. To get rid of it, open the sound folder and go through the sound samples until you find that bad music track, then right click and delete it, all is well.