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ZAU controller experienced a conflict between two departure aircraft failing to note the developing situation until the conflict alert activated.
| Attributes | |
| ACN | 892541 |
| Time | |
| Date | 201006 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZAU.ARTCC |
| State Reference | IL |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Qualification | Air Traffic Control Developmental |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
I had slowed a mzv track flight to 250 kts to get in trail spacing on a vector of 245 and climbing to FL200. I climbed an iow track flight to fl 230 and was on a 280 heading. I thought the iow flight would go behind the mzv flight; but with the slowed speed of the mzv flight; the iow flight quickly caught up. The conflict alert; (ca); went off and both were through about the same altitude. I descended the mzv flight back down to fl 190 and expedited the iow flight to FL230. I was working on getting currency today and should have asked for a d-side.
Original NASA ASRS Text
Title: ZAU controller experienced a conflict between two departure aircraft failing to note the developing situation until the conflict alert activated.
Narrative: I had slowed a MZV track flight to 250 kts to get in trail spacing on a vector of 245 and climbing to FL200. I climbed an IOW track flight to FL 230 and was on a 280 heading. I thought the IOW flight would go behind the MZV flight; but with the slowed speed of the MZV flight; the IOW flight quickly caught up. The Conflict Alert; (CA); went off and both were through about the same altitude. I descended the MZV flight back down to FL 190 and expedited the IOW flight to FL230. I was working on getting currency today and should have asked for a D-Side.
Data retrieved from NASA's ASRS site as of April 2012 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.