This may sound like a stupid question, but what exactly does the fuel crossfeed do? I was just wondering under what circumstances would you use the crossfeed?
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It pulls fuel from both sources (wings) at once. Basically if you leave it on one for a while you're going to lose alot of weight from one side and there have even been emergencies declared (smaller planes) where the pilot forgot to switch and thought he had run out of fuel, when his whole other wing was full. Basically it pulls the fuel evenly from both sources. Some planes however do not have the cross feed so it is important to keep your eye on it.Tanner Johnson - Owner
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Originally posted by Tanner_JIt pulls fuel from both sources (wings) at once. Basically if you leave it on one for a while you're going to lose alot of weight from one side and there have even been emergencies declared (smaller planes) where the pilot forgot to switch and thought he had run out of fuel, when his whole other wing was full. Basically it pulls the fuel evenly from both sources. Some planes however do not have the cross feed so it is important to keep your eye on it.
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Originally posted by AVLWATCHERThanks for the info. I was just looking at the 737NG FSX cockpit and wondering what use it would serve.Don
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Another reason to use crossfeed maybe due to one engine being older than the other. This isnt unheard of on airliners. As they rank up hours, engines start to run hotter and burn more fuel. On a long flight, the difference may be significant enough to open the crossfeeds.
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