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FAA Issues Special Conditions on Tire Failure Debris Penetration for Airbus A350-Series Airplanes

August 8, 2014

by JOANN VISTA Targeted News Service

WASHINGTON, Aug. 8 -- The Federal Aviation Administration has issued a final special conditions rule for Airbus Model A350-900 series airplanes. This final special conditions is effective on Sept. 8.

A Federal Register notice (Docket No. FAA-2013-0907) issued by Aircraft Certification Service Transport Airplane Directorate Manager Jeffrey E. Duven stated: "These airplanes will have a novel or unusual design feature associated with fuel tanks constructed of carbon-fiber reinforced plastic (CFRP) materials located within the tire-impact zone, including the wing fuel tanks. The ability of aluminum wing skins, as has been conventionally used, to resist penetration or rupture when impacted by tire debris, is understood from extensive experience. The ability of carbon-fiber composite material to resist these hazards has not been established. No current airworthiness standards specifically address this hazard for all exposed wing surfaces. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards."

For more information, contact Doug Bryant, Propulsion/Mechanical Systems, Transport Airplane Directorate, Aircraft Certification Service, 1601 Lind Avenue SW, Renton, Washington; 425/227-2384, fax 425/227-1320.

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Source: Targeted News Service

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