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ZNY controller experienced a loss of separation event when descending traffic through an occupied altitude; the reporter listing a premature dropped data block as a causal factor.
| Attributes | |
| ACN | 901359 |
| Time | |
| Date | 201007 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZNY.ARTCC |
| State Reference | NY |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Person 1 | |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy |
Narrative:
Dropped data block on air carrier Y heading south when I saw altitude 119 figured descending; assigned air carrier X 120 and saw aircraft converging. Stopped descent on air carrier X reported level 120; reported have aircraft in sight; pilot got RA and descended. Recommendation; not to drop data block until aircraft is finished leaving altitude.
Original NASA ASRS Text
Title: ZNY Controller experienced a loss of separation event when descending traffic through an occupied altitude; the reporter listing a premature dropped data block as a causal factor.
Narrative: Dropped Data Block on Air Carrier Y heading south when I saw altitude 119 figured descending; assigned Air Carrier X 120 and saw aircraft converging. Stopped descent on Air Carrier X reported level 120; reported have aircraft in sight; pilot got RA and descended. Recommendation; not to drop Data Block until aircraft is finished leaving altitude.
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.