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| Attributes | |
| ACN | 1601022 | 
| Time | |
| Date | 201812 | 
| Local Time Of Day | 1201-1800 | 
| Place | |
| Locale Reference | BNA.Airport | 
| State Reference | TN | 
| Environment | |
| Light | Daylight | 
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng  | 
| Operating Under FAR Part | Part 121 | 
| Flight Phase | Landing | 
| Route In Use | Other RNAV Z RWY 20R | 
| Flight Plan | IFR | 
| Aircraft 2 | |
| Make Model Name | Small Aircraft | 
| Person 1 | |
| Function | Captain Pilot Not Flying  | 
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)  | 
| Experience | Flight Crew Last 90 Days 461 | 
| Events | |
| Anomaly | Conflict NMAC Deviation - Procedural Clearance  | 
Narrative:
We were cleared for the RNAV rnp Z 20R from joglo. Approach control had been advising another company aircraft landscape north on 20L of a small aircraft that had penetrated the class C and advised them that the aircraft's location was on final to 20L tracking west. We knew that aircraft would be an issue for us and I (pm; pilot monitoring) began to scan for the traffic. Approach then advised us that after 90 degrees the aircraft would be on/near our course. I spotted the aircraft and advised the PF (pilot flying) to arrest the rate of descent and they used V/south. As they did we got a TA and then immediately following an RA to not descend. The PF never got sight of the traffic but I felt the corrections were proper. In my estimation the traffic flew 200 feet below us on the approach course; and with approach control's help and the RA; this would have been a near miss. On landing we received an FAA phone number and after we had parked the aircraft I called and reported my recollection to them.I am unable to provide insight because this was an aircraft that wasn't talking to ATC. The traffic was a threat and we all worked together to maintain safety of flight.
Original NASA ASRS Text
Title: Air carrier Captain reported an NMAC on approach with aircraft that penetrated BNA airport airspace.
Narrative: We were cleared for the RNAV RNP Z 20R from JOGLO. Approach Control had been advising another Company aircraft landscape north on 20L of a small aircraft that had penetrated the Class C and advised them that the aircraft's location was on final to 20L tracking west. We knew that aircraft would be an issue for us and I (PM; Pilot Monitoring) began to scan for the traffic. Approach then advised us that after 90 degrees the aircraft would be on/near our course. I spotted the aircraft and advised the PF (Pilot Flying) to arrest the rate of descent and they used V/S. As they did we got a TA and then immediately following an RA to not descend. The PF never got sight of the traffic but I felt the corrections were proper. In my estimation the traffic flew 200 feet below us on the approach course; and with Approach Control's help and the RA; this would have been a near miss. On landing we received an FAA phone number and after we had parked the aircraft I called and reported my recollection to them.I am unable to provide insight because this was an aircraft that wasn't talking to ATC. The traffic was a threat and we all worked together to maintain safety of flight.
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.