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ZID associate controller observes traffic conflict between a descending B727 and an en route E135 only after conflict alert activates.
| Attributes | |
| ACN | 515384 |
| Time | |
| Date | 200106 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : shb.vor |
| State Reference | IN |
| Altitude | msl bound lower : 29000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : enroute altitude change |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | EMB ERJ 135 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : handoff position |
| Qualification | controller : radar |
| Experience | controller military : 5 controller non radar : 5 controller radar : 19 controller time certified in position1 : 19 |
| ASRS Report | 515384 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 12300 vertical : 700 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft X northbound at FL310. Aircraft Y sebound at FL290. I was on a landline doing a pointout on another aircraft to another facility when aircraft X was cleared to descend. By the time I was focused on the screen again, conflict alert activated.
Original NASA ASRS Text
Title: ZID ASSOCIATE CTLR OBSERVES TFC CONFLICT BTWN A DSNDING B727 AND AN ENRTE E135 ONLY AFTER CONFLICT ALERT ACTIVATES.
Narrative: ACFT X NBOUND AT FL310. ACFT Y SEBOUND AT FL290. I WAS ON A LANDLINE DOING A POINTOUT ON ANOTHER ACFT TO ANOTHER FACILITY WHEN ACFT X WAS CLRED TO DSND. BY THE TIME I WAS FOCUSED ON THE SCREEN AGAIN, CONFLICT ALERT ACTIVATED.
Data retrieved from NASA's ASRS site as of July 2007 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.