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Here is the cockpit of a 757
http://www.airliners.net/photo/Avianca/Boeing-757-236/1316241/L/
And here is the cockpit of a Cessna 172, the one Hanjour could "barely control".
http://www.airliners.net/photo/Untitled/Cessna-172N/1336846/L/
No problem, easy peasy, just a few hours in a simulator, a few thousand pounds of the "more powerful and explosive" aviation fuel and you are ready to change the world!