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ZID controller experienced operational error at approximately FL340 when issued vector headings were not enough to maintain lateral separation.
| Attributes | |
| ACN | 775095 |
| Time | |
| Date | 200802 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : loz.vortac |
| State Reference | KY |
| Altitude | msl single value : 34000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 200 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 23 controller time certified in position1 : 20 |
| ASRS Report | 775095 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : handoff position |
| Qualification | controller : radar |
| Experience | controller radar : 20 |
| ASRS Report | 775799 |
| 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 |
| Consequence | faa : investigated |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Initial vectors were issued to air carrier X and air carrier Y to provide separation. After several control instructions to other aircraft; I issued more control turns to both air carrier X and air carrier Y; but it ended up being not enough.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED OPERROR AT APPROX FL340 WHEN ISSUED VECTOR HEADINGS WERE NOT ENOUGH TO MAINTAIN LATERAL SEPARATION.
Narrative: INITIAL VECTORS WERE ISSUED TO ACR X AND ACR Y TO PROVIDE SEPARATION. AFTER SEVERAL CTL INSTRUCTIONS TO OTHER ACFT; I ISSUED MORE CTL TURNS TO BOTH ACR X AND ACR Y; BUT IT ENDED UP BEING NOT ENOUGH.
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.