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ARTCC radar controller descended the wrong aircraft and created a less than standard separation incident.
| Attributes | |
| ACN | 195066 |
| Time | |
| Date | 199111 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : ric |
| State Reference | VA |
| Altitude | msl bound lower : 21000 msl bound upper : 21400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Fighter |
| Flight Phase | cruise other descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 3 |
| ASRS Report | 195066 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 400 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Medium large transport X was issued a clearance to 14000 that was meant for company large transport. Medium large transport X was at FL220 with fgt Y at FL210 underneath. When confliction was noticed I stopped medium large transport X at FL210 when I noticed the fgt Y had vacated FL210. I probably was looking at medium large transport X when I meant to give clearance to the large transport. I even put the altitude in the large transport's data block. Since I also missed the readback, I guess paying closer attention might have avoided the incident, but I probably would not have caught it anyhow, because I wanted to hear what I wanted to.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR DSNDED THE WRONG ACFT AND CREATED A LTSS INCIDENT.
Narrative: MLG X WAS ISSUED A CLRNC TO 14000 THAT WAS MEANT FOR COMPANY LGT. MLG X WAS AT FL220 WITH FGT Y AT FL210 UNDERNEATH. WHEN CONFLICTION WAS NOTICED I STOPPED MLG X AT FL210 WHEN I NOTICED THE FGT Y HAD VACATED FL210. I PROBABLY WAS LOOKING AT MLG X WHEN I MEANT TO GIVE CLRNC TO THE LGT. I EVEN PUT THE ALT IN THE LGT'S DATA BLOCK. SINCE I ALSO MISSED THE READBACK, I GUESS PAYING CLOSER ATTN MIGHT HAVE AVOIDED THE INCIDENT, BUT I PROBABLY WOULD NOT HAVE CAUGHT IT ANYHOW, BECAUSE I WANTED TO HEAR WHAT I WANTED TO.
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.