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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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ZOB controller misjudges separation between an A320 and an LJ55 and is involved in an operational error.
| Attributes | |
| ACN | 509604 |
| Time | |
| Date | 200104 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : fnt.vortac |
| State Reference | MI |
| Altitude | msl bound lower : 37000 msl bound upper : 37400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zob.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Learjet 55 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 25 |
| ASRS Report | 509604 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert atc equipment other atc equipment : radar other other : conflict alert |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 6600 vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I didn't realize or see air carrier X as being a factor in descending lear jet to FL310.
Original NASA ASRS Text
Title: ZOB CTLR MISJUDGES SEPARATION BTWN AN A320 AND AN LJ55 AND IS INVOLVED IN AN OPERROR.
Narrative: I DIDN'T REALIZE OR SEE ACR X AS BEING A FACTOR IN DSNDING LEAR JET TO FL310.
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.