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ZDC controller transposes air carrier call signs and issues descent clearance to wrong aircraft causing a conflict.
| Attributes | |
| ACN | 568463 |
| Time | |
| Date | 200212 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zdc.artcc |
| State Reference | VA |
| Altitude | msl single value : 9000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc tower : hef.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : holding |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : holding |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 13 flight time total : 200 |
| ASRS Report | 568463 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert atc equipment other atc equipment : uret aircraft equipment : tcas other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 9000 vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Holding for lga due to volume, descended wrong aircraft to 9000 ft. Transposed call signs. Was using new tool called 'user requested evaluation tool.' it distraction me.
Original NASA ASRS Text
Title: ZDC CTLR TRANSPOSES ACR CALL SIGNS AND ISSUES DSCNT CLRNC TO WRONG ACFT CAUSING A CONFLICT.
Narrative: HOLDING FOR LGA DUE TO VOLUME, DSNDED WRONG ACFT TO 9000 FT. TRANSPOSED CALL SIGNS. WAS USING NEW TOOL CALLED 'USER REQUESTED EVALUATION TOOL.' IT DISTR ME.
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.