<< >> NASA ASRS Report 1322952, January 2016

The TRACON controller observed an unidentified VFR aircraft depart an airport on a converging course with an air carrier on a visual approach to an adjacent airport already in communication with the tower. The TRACON controller pointed the traffic out to the tower local controller. The air carrier responded to a TCAS RA.

Attributes
ACN	1322952
Time
Date	201601
Local Time Of Day	1201-1800
Place
Locale Reference	Y90.TRACON
State Reference	CT
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Large Transport
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Route In Use	Visual Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Aircraft
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Flight Plan	VFR
Person 1
Function	Approach
Qualification	Air Traffic Control Fully Certified
Experience	Air Traffic Control Time Certified In Pos 1 (yrs) 8.0
Events
Anomaly	Conflict Airborne Conflict
Miss Distance	Horizontal 1056 Vertical 0

Narrative:

Aircraft X was cleared for a visual approach to runway 6 and switched to bdl tower. An unknown VFR; soon to be identified; was then observed departing a [nearby] airport on a converging course. I immediately notified the local controller. The aircraft merged over the 5 mile final at the same altitude. Aircraft X responded to a TCAS RA. Replay showed the aircraft to be separated by 0.22 miles laterally and 0 feet vertical.the class C airspace surrounding bdl must be changed to protect aircraft on the final approach course. The VFR aircraft was flying below the outer ring of the airspace. This must be extended to the ground to protect the final approach course.

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Original NASA ASRS Text

Title: The TRACON Controller observed an unidentified VFR aircraft depart an airport on a converging course with an air carrier on a visual approach to an adjacent airport already in communication with the Tower. The TRACON Controller pointed the traffic out to the Tower Local Controller. The air carrier responded to a TCAS RA.

Narrative: Aircraft X was cleared for a visual approach to Runway 6 and switched to BDL Tower. An unknown VFR; soon to be identified; was then observed departing a [nearby] airport on a converging course. I immediately notified the Local Controller. The aircraft merged over the 5 mile final at the same altitude. Aircraft X responded to a TCAS RA. Replay showed the aircraft to be separated by 0.22 miles laterally and 0 feet vertical.The Class C airspace surrounding BDL must be changed to protect aircraft on the final approach course. The VFR aircraft was flying below the outer ring of the airspace. This must be extended to the ground to protect the final approach course.

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.