AeroTech Services has developed and now offers a wing modification for Boeing 737-200, -300, -400 and -500 series aircraft that is designed to reduce fuel burn and carbon dioxide emissions by up to four percent. AeroTech applied for a supplemental type certificate (STC) for the modification in 1998 and received it from the U.S. Federal Aviation Administration (FAA) in 2005. The STC covers all Boeing 737-200, -200C, -300, -400 and -500 models. The company also received a patent in 2003. ...


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