Hello,I'm using your fascinating 737-800/900 addon, but I fail to start up the engines properly, so that I can engage the autothrottle later on.If I start them up, I cannot engage the Autothrottle system any more.Do you already know about this problem?Please, could you give me some advice how to fix this problems.Regards,Peter Nikolaus

Do you have the Flight Director turned on?Dan Ward

Peter,This is one of the most asked questions.Check the overhead panel to be sure the engine generators are on. The blue light will go off when the generators are on.Hope this helps.