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One test aircraft leaked fuel.
Today, the Marine Corps has only eight in its fleet, all of them test aircraft.
The MOD is currently working with Parliament to obtain approval for the purchase the second test aircraft by December 2009.
The test aircraft, based in Seville and in Toulouse, France, will fly a total 3,700 flight test hours.
Herding hundreds of stand-in passengers into a test aircraft for days on end was hardly practical.
This is the Mojave desert, offering few attractions to the casual visitor but the perfect environment in which to test aircraft.
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Unveiling the first Ted aircraft, painted bright blue and marigold, similar to the colors of the Denver Broncos football team, Mr. Donohue added, "If this airplane could wink, it would".
The problem, which Airbus says it has since fixed, required that workers drill holes in the first five wings — including those for the first flight-test aircraft — by hand, adding €124 million to the A350's development bill and pushing back the first deliveries to the second half of 2014.
Curtiss submitted a design on 1 August, and received a contract for two prototypes and five service-test aircraft on 25 August.
Testing was, however, able to continue in the meantime, as Platt-LePage had re-negotiated the XR-1 contract to cover a second flight-test aircraft.
A historical account of the main milestones in T-tail aircraft development is included, followed by a T-tail flutter research review that emphasises the latest contributions from industry as well as academia.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com