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Air carrier X climb to same altitude, had less than standard separation from air carrier Y. System error.
| Attributes | |
| ACN | 301604 |
| Time | |
| Date | 199504 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : djb |
| State Reference | OH |
| Altitude | msl bound lower : 33000 msl bound upper : 33000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller non radar : 1 controller radar : 12 |
| ASRS Report | 301604 |
| 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 non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 22800 vertical : 1500 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Air carrier X was climbing southeast and air carrier Y was level at FL330 nebound. When air carrier Y turned north at djb, he became a conflict with air carrier X. When I noticed this, I turned both aircraft to the right and descended air carrier Y.
Original NASA ASRS Text
Title: ACR X CLB TO SAME ALT, HAD LTSS FROM ACR Y. SYS ERROR.
Narrative: ACR X WAS CLBING SE AND ACR Y WAS LEVEL AT FL330 NEBOUND. WHEN ACR Y TURNED N AT DJB, HE BECAME A CONFLICT WITH ACR X. WHEN I NOTICED THIS, I TURNED BOTH ACFT TO THE R AND DSNDED ACR Y.
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.