Bombardier announced on August 1st, 2012 that the conditional order placed by WestJet for DHC-8Q-400s on May 1st, 2012, has been converted to a firm order for up to 45 DHC-8Q-Q400 NextGen aircraft. The airline’s order includes 20 firm aircraft and options on an additional 25. WestJet plans to launch their new regional airline in …