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ZID controller experienced operational error at FL370 when descending aircraft to occupied altitude; thinking one altitude and issuing another.
| Attributes | |
| ACN | 732145 |
| Time | |
| Date | 200703 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : hvq.vortac |
| State Reference | WV |
| Altitude | msl bound upper : 37000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : enroute altitude change |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 16.3 |
| ASRS Report | 732145 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 27600 vertical : 100 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I gave a descent to FL340. I meant FL360. Error was not caught in a timely manner.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED OPERROR AT FL370 WHEN DESCENDING ACFT TO OCCUPIED ALT; THINKING ONE ALT AND ISSUING ANOTHER.
Narrative: I GAVE A DSCNT TO FL340. I MEANT FL360. ERROR WAS NOT CAUGHT IN A TIMELY MANNER.
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.