Bombardier redesignates CSeries variants as CS100, CS300

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On the back of the confirmation of Lufthansa's deal for up to 60 Bombardier CSeries aircraft, the Canadian manufacturer has redesignated the models in the twin-jet family.

The 110-seat CSeries, which is the lead variant due to enter service in 2013, is designated the CS100. This model had previously been known as the C110. The 130-seat aircraft, which was formerly the C130, is now designated the CS300.

Bombardier says the two-model family, which will be powered by Pratt & Whitney's PW1000G geared turbofan, will benefit from the latest technological advancements.

These will including fourth-generation aerodynamics, increased use of composites and advanced aluminium alloys in structures, and the latest system technologies such as fly-by-wire and electric brakes. The composite wing will feature a fourth-generation transonic design.

Bombardier claims the CSeries will emit 20% less carbon dioxide and 50% less nitrous oxide, fly "four times quieter", and deliver 20% lower fuel-burn with 15% better cash operating costs versus current similar-sized aircraft. It bases this claim on a 500nm [925km] route "in a North American operating environment".

Lufthansa's supervisory board has approved a commitment placed at the Farnborough air show last year for 30 CSeries firm orders, plus 30 options. The aircraft will be used by its Swiss International Air Lines subsidiary.