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After combining sectors; loss of separation occurred between 2 air carrier's at the same altitude. A breakdown in intrafac coordination was the main cause.
| Attributes | |
| ACN | 660396 |
| Time | |
| Date | 200506 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | navaid : fak.vortac |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Thunderstorm |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : holding |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 3 |
| ASRS Report | 660396 |
| 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 | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Intra Facility Coordination Failure Operational Error |
Narrative:
I had just combined sectors and I took a handoff on air carrier X; thinking that air carrier X had already been separated by previous controller when in fact due to the combining of sectors they were not aware of the aircraft. Air carrier Y was holding at fak and turned in to air carrier X.
Original NASA ASRS Text
Title: AFTER COMBINING SECTORS; LOSS OF SEPARATION OCCURRED BTWN 2 ACR'S AT THE SAME ALT. A BREAKDOWN IN INTRAFAC COORD WAS THE MAIN CAUSE.
Narrative: I HAD JUST COMBINED SECTORS AND I TOOK A HDOF ON ACR X; THINKING THAT ACR X HAD ALREADY BEEN SEPARATED BY PREVIOUS CTLR WHEN IN FACT DUE TO THE COMBINING OF SECTORS THEY WERE NOT AWARE OF THE ACFT. ACR Y WAS HOLDING AT FAK AND TURNED IN TO ACR X.
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.