I photographed these Bombardier BD-100 series examples at Boeing Field. The Bombardier BD-100-1A10 is more commonly known as the Challenger 300 and Challenger 350. Apparently the essential difference between the 300 and 350 models is that the 350 has larger windows and an advanced avionics package.
2006 Bombardier BD-100-1A10 #20084
Boeing Field 2023
Bombardier BD-100-1A10 Challenger 300 #20091
Boeing Field 2023
Bombardier BD-100-1A10 Challenger 350 #20737
Boeing Field 2023
2013 Bombardier Challenger 300 (BD-100-1A10) #20436
Boeing Field 2016
2005 Bombardier Challenger 300 (BD-100-1A10) #20076
Boeing Field 2022
2005 Bombardier Challenger 300 (BD-100-1A10) #20827
Boeing Field 2022
2017 Bombardier Challenger 350 (BD-100-1A10) #20701
Museum of Flight 2023