Set both Drop Tank Pressure Shutoff Valves to "ON," so the fuel from both drop tanks feeds into the Front Fuselage Tank. Periodically check the airplane weight and balance data. Cut off the Drop Tank Pressure Shutoff Valve momentarily if one drop tank is emptying faster than the other one, to keep the airplane balanced. The tanks are dropped when no longer used to save weight and reduce drag.
Flight simulators were originally created to train pilots. They allow you to learn to fly an airplane without risking your life or damaging an airplane. It is less expensive to run a flight simulator for the same number of hours as a real airplane. In 2004, a basic flight simulator was created as a computer game that runs on standard home computers, and dozens of airplanes have been simulated based on 2004 FS. In some simulations you can simulate moving fuel from one tank to another — even using the discardable fuel tanks that jets carry under their wings.
Jettison the drop tanks once they are both empty. Before you do this, make sure that both Drop Tank Pressure Shutoff Valves are set to "OFF". Press the Drop Tank Jettison Button.
Use the wing tanks next. This is similar to using the drop tanks, but less critical because the wing tanks typically hold about one-fifth the gasoline that the drop tanks hold. Use the Left and Right Wing Tank Pressure Shutoff Valves to control the feed from the wing tanks to the fuselage tank.
Activate the Fuel Transfer Pump Switch to feed fuel from the Aft Fuselage Tank to the Forward Fuselage Tank. This is the main tank that feeds directly into the engine. When this tank is empty, the airplane is out of fuel.
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