Boeing 737-800 Air Scheffel is very well done version that is ideal for experienced users. Indeed, the panel is of great realism. It is fully functional as you can see from the screenshots.
You will start the engines manually at the beginning of the game Follow the instructions !
Above all, do not press the "L" key on your keyboard because it puts the fire in the left engine. If you want to turn on the headlights, you should do it manually like a real Boeing 737-800. Well, read the manual after installation !