FARNBOROUGH: Boeing outlines ecoDemonstrator 737-800 flight test timeline

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Boeing will begin flight tests of its ecoDemonstrator programme on a 737-800 in Glasgow, Montana, in August, it announced at the Farnborough air show on 10 July.

The aircraft will be outfitted with adaptive trailing edges, regenerative fuel cells, active engine vibration reduction damping, variable engine fan nozzles and advanced air traffic management technologies.

The programme is designed to accelerate technological developments that deliver an environmental benefit, says Boeing.

American Airlines is lending the 737 to Boeing for the tests, says Jeanne Yu, director of environmental performance at Boeing Commercial Airplanes.

None of the technologies that are being tested will be included on the 737 Max but Boeing hopes they will help to shape future aircraft development, says Yu.

"We would love to take delivery of any of this technology as soon as possible," says David Campbell, vice-president of security, safety and the environment at American. As a Max customer, he is keen to see technology transfer to the the re-engined type, he says.

Boeing is working with CFM on the variable engine fan nozzles. "[We are] growing our knowledge together to see how to implement the technology in the future," says Yu.