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Bombardier Learjet 85 Aircraft Program Marks Major Development Milestones

Written by thomas · Filed Under Aeronautics News 

July 20, 2009

thomas

bombardier_picture_0720

Montreal, July 20, 2009 – Bombardier Aerospace today revealed further details on the
progress of the Learjet 85 program. To date all major suppliers, over 30, have been engaged
and are active in the joint definition phase. Several product development milestones, including
the completion of our second proof of concept fuselage and the successful completion of all
wind tunnel testing have been achieved as the program forges ahead for entry into service in
2013.
“We have completed over 60 significant program milestones as proofpoints to our progress,”
said Ralph Acs, vice-president, Learjet 85. “We are currently well into the joint definiton phase,
have firm agreements with all major suppliers on the program including, propulsion, air systems,
avionics, electrical, hyrdo-mechanics, structures and interiors. We are also progressing as
planned with the Wichita and Mexico site expansions as we prepare for production.”
Major product development milestones
As the composite technology readiness phase progresses, the Learjet 85 team have now
completed two proof of concept fuselages in Montreal and all wind tunnel testing has been
completed successfully. The aircraft’s outside mold has been frozen and the team is gearing up
to start the detailed design phase later this year.
With the basic structure defined, the Learjet team and the supply base are progressing very well
with the installation of systems. All suppliers are working with a common tool (CATIA V5) to
ensure the structure and all systems are fully integrated.
The Learjet 85 wing development is also progressing steadily with a proof of concept wing
demonstrator underway. The team is benefiting from best practices and principles from the
CSeries aircraft program regarding composite wing build concepts.

Preparing for production
In tandem with product development, Learjet is also progressing with the ramp up and
expansion of production and final assembly sites for the Learjet 85 aircraft. The complete plan
includes new buildings at the Queretaro site, which will be responsible for primary structure
manufacturing and pre-assembly, while the Wichita site expansion will be for final assembly and
delivery of the Learjet 85 aircraft.
Over 60 Learjet 85 production employees have completed their composites technology and
application training and are currently working side-by-side with the development team on
producing the various concept models and coupons required for the program development.
A second all-supplier symposium was successfully held in June in Wichita. These senior level
face-to-face meetings are held every six months to ensure that all stakeholders are engaged
and aware of the various challenges, and to celebrate program milestones and successes.
The new Learjet 85 aircraft – redefining the midsize business jet class
Launched on October 30, 2007, the new Learjet 85 aircraft will be the first Bombardier
Aerospace jet to feature an all-composite structure and will be the first all-composite structure
business jet designed for type certification under U.S. Federal Aviation Administration FAR
Part 25.
An extraordinary advancement in next generation flight, the Learjet 85 aircraft’s all-composite
structure will allow Learjet aircraft designers to maximize cabin comfort while minimizing drag and
improving performance.
Building on legendary Learjet aircraft performance
True to its legendary heritage, the Learjet 85 aircraft is set to deliver the extraordinary
performance, superior technology and exceptional value Learjet aircraft owners expect.
The aircraft is powered by two Pratt & Whitney Canada PW307B engines, each boasting 6,100
pounds of take-off thrust each at sea level 86

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