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Captain described a possible near midair collision on arrival into ind.
| Attributes | |
| ACN | 1748897 |
| Time | |
| Date | 202007 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | IND.TRACON |
| State Reference | IN |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Traffic Collision Avoidance System (TCAS) |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Conflict NMAC |
Narrative:
On approach into ind on GIIBS3 arrival we experienced a near miss with unknown aircraft. Approximately 15 miles south east of indianapolis we were vectored off the arrival to join the final approach course to runway 05 right. The first officer was flying the aircraft and I was setting up the approach by drawing the line. Just as I had finished air traffic control came back with traffic alert turn immediately left heading to 240. As I responded to ATC they were still talking and told us to continue turn to 220. Which I responded '220'. As 1st alert was given I saw a white TCAS aircraft directly ahead. The target was moving around as it approached us. I believe this was due to fact TCAS was trying to figure out where exactly the target was. It popped up approximately 5 miles in front of us showing -08. Within 2-3 seconds; it moved more and more into our path. I briefly heard 'traffic traffic' from TCAS. Target quickly turned red and showed -03 then 0 right on our nose. No RA was given by TCAS. I was looking the entire time to visually locate target to no avail. As red target passed thru us at 0 I was basically was waiting for impact. Never saw the target and there was no impact.
Original NASA ASRS Text
Title: Captain described a possible NMAC on arrival into IND.
Narrative: On approach into IND on GIIBS3 arrival we experienced a near miss with unknown aircraft. Approximately 15 miles south east of Indianapolis we were vectored off the arrival to join the final approach course to runway 05 right. The first officer was flying the aircraft and I was setting up the approach by drawing the line. Just as I had finished air traffic control came back with traffic alert turn immediately left heading to 240. As I responded to ATC they were still talking and told us to continue turn to 220. Which I responded '220'. As 1st alert was given I saw a white TCAS aircraft directly ahead. The target was moving around as it approached us. I believe this was due to fact TCAS was trying to figure out where exactly the target was. It popped up approximately 5 miles in front of us showing -08. Within 2-3 seconds; it moved more and more into our path. I briefly heard 'traffic traffic' from TCAS. Target quickly turned red and showed -03 then 0 right on our nose. NO RA WAS GIVEN BY TCAS. I was looking the entire time to visually locate target to no avail. As red target passed thru us at 0 I was basically was waiting for impact. Never saw the target and there was no impact.
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.