The Federal Aviation Administration said the Bombardier Challenger 600 jet had five people were aboard when the crash happened around 3:15 p.m. Friday near Naples, just north of where the interstate heads east toward Fort Lauderdale along what is known as Alligator Alley.
The FAA and the National Transportation Safety Board will investigate, with the NTSB leading the investigation. One NTSB investigator arrived at the crash site Friday afternoon, with several more expected to arrive on Saturday.
Brianna Walker saw the wing of the plane drag the car in front of hers and slam into the wall.
https://www.smartcockpit.com/docs/CL605-FUEL_SYSTEM.pdf
That’s for the 605, which I assume isn’t too different. It says “The boost pumps can provide fuel to both engines fuel feed systems through a crossover feed line.”
A quick read suggests that primary fuel pumping is powered by the engines, and the boost pumps are only used to boost fuel pressure (e.g. when first starting the engines). There are also multiple systems, including plain old gravity, to move fuel around between the various tanks.