The Boeing 737 NG Fuel Diagram is a completely interactive training aid, that can be used to study and review the B737 NG Fuel System.
All fuel pump switches and the cross feed valve knob are interactive to allow the user to manipulate the system.
An options menu allows the user to turn on and off engines, simulate failures, adjust simulation speed, and adjust fuel tank levels.
DISCLAIMER: The Boeing 737 NG Interactive Fuel Diagram is to be used as a reference only and can not be used for flight or to replace formal training.