Archive for the ‘grounded’ Category

Flaw may permanently ground 160 jets, Air Force general says

January 11, 2008

WASHINGTON (CNN) — A manufacturing defect blamed for the mid-air breakup of an F-15 Eagle fighter may cause the Air Force to ground a quarter of its fleet of those warplanes.
This October 2005 photo shows a group of  U.S. Air Force F-15 ...

The F-15 has been the sole fighter at many of the 16 or so “alert” sites around the country, where planes and pilots stand ready to take off at a moment’s notice to intercept hijacked airliners, Cessnas that wander into protected airspace, and other threats.
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Gen. John Corley, the head of the U.S. Air Combat Command, said about 160 of the jets may never return to service after an investigation into the November 2 crash that left the plane’s pilot seriously injured.

The single-seat F-15C broke up in a 500-mph turn during a combat training mission over Missouri, with its fuselage breaking in half behind the cockpit, an Air Force probe of the crash determined.

Investigators concluded that a critical piece of the jet’s airframe broke during the flight because of a manufacturing defect. A defective longeron — a metal strut that runs lengthwise down the fuselage — was cut improperly by the manufacturer, Boeing, and led to a series of cracks over the plane’s lifespan, Corley said. rplanes permanently, a top general said Thursday.

Read the rest:
http://www.cnn.com/2008/US/01/10/f15.groundings/index.html?section=cnn_latest

Related:
F-15 grounding strains U.S. air defenses

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