Crj-200 first officer reported a uav in close proximity to the aircraft.

Attributes
ACN	1559150
Time
Date	201807
Local Time Of Day	1201-1800
Place
Locale Reference	ORD.Airport
State Reference	IL
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Regional Jet 200 ER/LR (CRJ200)
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	UAV - Unpiloted Aerial Vehicle
Person 1
Function	Pilot Not Flying First Officer
Events
Anomaly	Conflict NMAC
Miss Distance	Horizontal 200

Narrative:

On final for runway 28C in chicago; at approximately 1700 feet and 5 DME from the localizer; we came in close proximity to a drone just south of the approach course. Drone appeared to be within about 200 feet of the aircraft. We did not have to take evasive action and landed without incident. Reported the drone to tower who we then contacted via phone after arrival at the gate.

Original NASA ASRS Text

Title: CRJ-200 First Officer reported a UAV in close proximity to the aircraft.

Narrative: On final for Runway 28C in Chicago; at approximately 1700 feet and 5 DME from the localizer; we came in close proximity to a drone just south of the approach course. Drone appeared to be within about 200 feet of the aircraft. We did not have to take evasive action and landed without incident. Reported the drone to Tower who we then contacted via phone after arrival at the gate.

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.