Challenger 300 flight crew reported responding to a TCAS RA to avoid VFR traffic.

Attributes
ACN	1543342
Time
Date	201805
Local Time Of Day	1201-1800
Place
Locale Reference	PCT.TRACON
State Reference	VA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Challenger 300
Flight Phase	Descent
Flight Plan	IFR
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Conflict Airborne Conflict

Narrative:

ATC issued VFR traffic at 12 o'clock same altitude. We first got a TA advisory and then an RA to climb. I clicked the autopilot off and climbed 400 feet and the TCAS said conflict averted. I then returned back to our assigned altitude and turned on the autopilot.

Original NASA ASRS Text

Title: Challenger 300 flight crew reported responding to a TCAS RA to avoid VFR traffic.

Narrative: ATC issued VFR traffic at 12 o'clock same altitude. We first got a TA advisory and then an RA to climb. I clicked the autopilot off and climbed 400 feet and the TCAS said conflict averted. I then returned back to our assigned altitude and turned on the autopilot.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.