Premier 1
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 30; Flight Crew Total 5300; Flight Crew Type 1100
Conflict NMAC
Air Traffic Control Issued New Clearance; Flight Crew Took Evasive Action
Airspace Structure; Procedure
I was descending into RIL for landing and received a traffic alert. The aircraft was below me and got to within 400 ft. vertical. I stopped the descent and turned right. A few seconds after that; Denver Center controller told me to turn to heading 060; which I was almost to that heading on my own. The RA never activated.
PRM1 pilot reported an NMAC on descent into RIL.