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ZID controller experienced operational error at FL300 when attempting to change altitudes of two enroute aircraft; issued vectors too late to secure separation.
| Attributes | |
| ACN | 759988 |
| Time | |
| Date | 200710 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : azq.vor |
| State Reference | KY |
| Altitude | msl single value : 30000 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude ground : maintenance |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air taxi |
| Make Model Name | Citation II S2/Bravo |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival : on vectors |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| ASRS Report | 759988 |
| 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 : 21000 vertical : 700 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Attempted to swap out altitudes on climbing and descending aircraft. When that didn't work; attempted vectors and tried to get an altitude report; but used wrong call sign.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED OPERROR AT FL300 WHEN ATTEMPTING TO CHANGE ALTS OF TWO ENROUTE ACFT; ISSUED VECTORS TOO LATE TO SECURE SEPARATION.
Narrative: ATTEMPTED TO SWAP OUT ALTS ON CLBING AND DSNDING ACFT. WHEN THAT DIDN'T WORK; ATTEMPTED VECTORS AND TRIED TO GET AN ALT RPT; BUT USED WRONG CALL SIGN.
Data retrieved from NASA's ASRS site as of January 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.