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Thu, Mar 10, 2011

FAA Expected To Limit Eclipse Jet To FL300

Carbon Buildup In Engines Occurring At Lower Altitudes

The FAA is expected to issue a mandatory safety directive Thursday which will limit operation of the Eclipse jet to no higher than FL300. The move is prompted by engine surges caused by carbon buildup which increases along with altitude.

The Eclipse was originally certified to FL410, but the carbon buildup at high altitudes caused th FAA to limit the airplanes maximum ceiling to FL370 in 2008. Now, the agency will impose a further ceiling restriction on the aircraft.

The Wall Street Journal reports that there were four instances of engines surging in the last few months of 2010, and that the FAA says the problem constitutes a "risk to the flying public."

Pratt & Whitney, which manufactures the engines powering the 250 or so Eclipse jets flying today, said it expects to have a fix available in a few months. That will consist of a replacement of the combustion liners in the aircraft's engines.

FMI: www.eclipseaerospace.net, www.faa.gov

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