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| Attributes | |
| ACN | 1722453 |
| Time | |
| Date | 202001 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZDC.ARTCC |
| State Reference | VA |
| Aircraft 1 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Cruise |
| Flight Plan | VFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Cruise |
| Route In Use | None |
| Person 1 | |
| Function | Handoff / Assist |
| Qualification | Air Traffic Control Developmental |
| Events | |
| Anomaly | Conflict NMAC |
Narrative:
I was sitting on the d-side at 22/31/60 combined. R-side gave frequency change to aircraft X. Aircraft X took frequency then quickly came back to say 'center; we just almost had a mid air; did you see that guy?' to which the r-side responded; 'no; I see him now coming out behind you.'aircraft Y was on a 1200 code; no data block information was shown; no traffic alert went off; and the target wasn't observed until after aircraft X brought it to our attention. At the time of the event; the sectors were combined and fairly busy with lots of VFR traffic in the surrounding area.split 22 out from 31/60 when there's moderate volume at 22.
Original NASA ASRS Text
Title: ZDC Center Controller reported a NMAC with an aircraft they had just given a frequency change to and a VFR aircraft they did not see.
Narrative: I was sitting on the D-side at 22/31/60 combined. R-side gave frequency change to Aircraft X. Aircraft X took frequency then quickly came back to say 'Center; we just almost had a mid air; did you see that guy?' To which the R-side responded; 'No; I see him now coming out behind you.'Aircraft Y was on a 1200 code; no data block information was shown; no traffic alert went off; and the target wasn't observed until after Aircraft X brought it to our attention. At the time of the event; the sectors were combined and fairly busy with lots of VFR traffic in the surrounding area.Split 22 out from 31/60 when there's moderate volume at 22.
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.