Thierry Dubois is a freelance writer specializing in helicopters, business aviation and aerospace technology. He earned a degree in fluid dynamics from an engineering school in Toulouse, France in the mid-1990s. At an unexpected crossroads, he found his first job in journalism. In 1997, he started working for French aerospace weekly Air &amp; Cosmos in Paris. This lasted until 2000, when he moved south to Lyons. He then became a freelancer, working for various aerospace publications and has been part of the AIN team since late 2000. In addition to writing about business aviation, Thierry shares responsibility for the rotorcraft section. He also is a regular on-site writer for AIN’s daily editions at international airshows such as the Paris, Farnborough, Dubai and Singapore shows, as well as at EBACE in Geneva.
In 2007, he won the Honeywell award for “Best systems or technology submission” at the Aerospace journalist of the year awards. In 2013, he won an Aerospace Media Award for the "Best Safety, Training &amp; Simulation Submission."
In other activities, Thierry moderates international conferences on aviation technology topics. Thierry is married and has three children, who seem to begin enjoying the mountains–as their parents do.

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Thierry Dubois

Pratt &amp; Whitney Canada started running a full PW800 engine demonstrator late last year, company vice president of business aviation and military programs Michael Perodeau told AIN yesterday. He confirmed that the demonstration effort has progressed <a href="http://www.ainonline.com/aviation-news/nbaa-convention-news/2013-10-19/pratt-predicts-pw800s-pure-power-roots-will-drive-it-success-big-bizjets">according to plan</a> but gave little detail.


The engine manufacturer is “preparing itself for the eventuality of a program launch” in the 10,000- to 20,000-pound-thrust range, Perodeau said. Pratt &amp; Whitney Canada would thus be able to develop an engine in “36 months, notionally, from program launch.”


The PW800 uses a core of the PW1000G geared turbofan series. “Using a common core gives us a head start, as PW1000G engines will be in service with airlines before the PW800 is certified,” he noted. For the PW800, Pratt &amp; Whitney Canada targets a two-digit percent improvement over in-service engines in both fuel burn and emissions.


The PW800 schedule revealed last year calls for flight-tests this year. Competing engines under development include the GE Passport and Snecma Silvercrest, as well as the Rolls-Royce BR725, already in service. The PW800 was to power the Cessna Citation Columbus before that business jet <a href="http://www.ainonline.com/aviation-news/aviation-international-news/2009-07-28/textron-formally-cancels-citation-columbus">program was cancelled in July 2009</a>.

Pratt & Whitney Canada Tests PW800 Demonstrator

The PW800, which uses a core from the larger geared turbofan series, is targeting reduced fuel burn and emissions for large business jets.

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