The recommendation to buy used aircraft is part of a July, 2016​ RCAF study, prepared for the commander of the Air Force and released to CBC News under the Access to Information Act. It says buying two used Challenger 604s would "fall within the current budget, and many used CL604 aircraft are available for purchase. The cockpits in the older aircraft feature analogue instruments, while the newer aircraft use digital instrumentation. New international civil aviation rules force the older Challengers to fly at lower altitudes, drastically reducing their range without refuelling. However, Bezan wouldn't say if the Conservatives would support replacing all or part of the Challenger fleet.

Source: CBC News April 27, 2018 08:01 UTC