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Robert Dewar, vice president and general manager of C Series at Bombardier Inc., left, and Martin Gauss, chief executive officer of airBaltic, hold a National Hockey League (NHL) Montreal Canadiens jersey during a news conference in Mirabel, Quebec, Canada, on Monday, Nov. 28, 2016. Bombardier is seeing increased momentum for its C Series jet family as the plane prepares to make its commercial debut, with airBaltic using the CS300 to gradually replace its Boeing Co. 737 fleet. Photographer: Valerian Mazataud/Bloomberg via Getty Images

Robert Dewar, vice president and general manager of C Series at Bombardier Inc., left, and Martin Gauss, chief executive officer of airBaltic, hold a National Hockey League (NHL) Montreal Canadiens jersey during a news conference in Mirabel, Quebec, Canada, on Monday, Nov. 28, 2016. Bombardier is seeing increased momentum for its C Series jet family as the plane prepares to make its commercial debut, with airBaltic using the CS300 to gradually replace its Boeing Co. 737 fleet. Photographer: Valerian Mazataud/Bloomberg via Getty Images