I photographed these Bombardier Challenger 650 (CL-600) examples at Boeing Field.

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Bombardier CL-600-2B16 Challenger 604 #5549

Boeing Field 2022

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2007 Bombardier CL-600-2B16 #5716

Boeing Field 2022

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2017 Bombardier Challenger 650 (CL-600-2B16) #6097

Boeing Field 2023

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2019 Bombardier Challenger 650 CL-600-2B16(CL-604) #6146

Boeing Field 2023

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Bombardier CL-600-2B16 Challenger 605 #5716

Boeing Field 2023