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ZID controller experienced operational error at FL380 when issuing descent instruction to the wrong aircraft.
| Attributes | |
| ACN | 776631 |
| Time | |
| Date | 200802 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : loz.airport |
| State Reference | KY |
| Altitude | msl single value : 38000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A310 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 18 controller time certified in position1 : 17 |
| ASRS Report | 776631 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 18480 vertical : 0 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft X departed hold turning northbound at FL380. Aircraft Y J42 eastbound FL390. Controller meant to descend aircraft X; but actually descended aircraft Y by mistake to FL370.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED OPERROR AT FL380 WHEN ISSUING DESCENT INSTRUCTION TO THE WRONG ACFT.
Narrative: ACFT X DEPARTED HOLD TURNING NBOUND AT FL380. ACFT Y J42 EBOUND FL390. CTLR MEANT TO DSND ACFT X; BUT ACTUALLY DSNDED ACFT Y BY MISTAKE TO FL370.
Data retrieved from NASA's ASRS site as of May 2009 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.