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ZBW radar assoc described operational error event at FL350 when controller failed to issue timely preventative instructions.
| Attributes | |
| ACN | 791247 |
| Time | |
| Date | 200806 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : hto.vortac |
| State Reference | NH |
| Altitude | msl single value : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc tracon : d21.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | EMB ERJ 190/195 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A330 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Experience | controller time certified in position1 : 5 |
| ASRS Report | 791247 |
| Events | |
| Anomaly | non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert |
| Miss Distance | horizontal : 17200 vertical : 100 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
E190 was climbing wswbound through the altitude of the A330-300. This was occurring in the northern part of the en route sector. Much activity in the south part of the sector; and on uret/flight data display took up much of my time. I never saw the conflict until I heard the radar controller issue turns and altitude assignments -- it was too late by then.
Original NASA ASRS Text
Title: ZBW RADAR ASSOC DESCRIBED OPERROR EVENT AT FL350 WHEN CTLR FAILED TO ISSUE TIMELY PREVENTATIVE INSTRUCTIONS.
Narrative: E190 WAS CLBING WSWBOUND THROUGH THE ALT OF THE A330-300. THIS WAS OCCURRING IN THE NORTHERN PART OF THE ENRTE SECTOR. MUCH ACTIVITY IN THE S PART OF THE SECTOR; AND ON URET/FLT DATA DISPLAY TOOK UP MUCH OF MY TIME. I NEVER SAW THE CONFLICT UNTIL I HEARD THE RADAR CTLR ISSUE TURNS AND ALT ASSIGNMENTS -- IT WAS TOO LATE BY THEN.
Data retrieved from NASA's ASRS site as of May 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.