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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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ARTCC controller at ZID cleared a regional jet to 11000 ft instead of 12000 ft and caused a confliction with a commuter at 11000 ft.
| Attributes | |
| ACN | 450182 |
| Time | |
| Date | 199909 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : abb.vortac |
| State Reference | IN |
| Altitude | msl single value : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| 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 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : enroute altitude change cruise : descent |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar pilot : private |
| Experience | flight time total : 120 |
| ASRS Report | 450182 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Miss Distance | horizontal : 16000 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I had traffic at 11000 ft and cleared the carj to 12000 ft. When the carj questioned the call sign I restated the clearance but said 11000 ft instead of 12000 ft.
Original NASA ASRS Text
Title: ARTCC CTLR AT ZID CLRED A REGIONAL JET TO 11000 FT INSTEAD OF 12000 FT AND CAUSED A CONFLICTION WITH A COMMUTER AT 11000 FT.
Narrative: I HAD TFC AT 11000 FT AND CLRED THE CARJ TO 12000 FT. WHEN THE CARJ QUESTIONED THE CALL SIGN I RESTATED THE CLRNC BUT SAID 11000 FT INSTEAD OF 12000 FT.
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.