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ZBW controller experienced operational error at FL430 when reacting to another controller's descent request without first ensuring separation.
| Attributes | |
| ACN | 749000 |
| Time | |
| Date | 200708 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : alb.vortac |
| State Reference | NY |
| Altitude | msl single value : 43000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Citation V |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Citation V |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : developmental |
| Experience | controller radar : 0.5 |
| ASRS Report | 749000 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 24000 vertical : 1700 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Kingston sector (ZBW sector 20) requested aircraft to descend to FL380 with control for lower. I complied and immediately observed the conflict. I attempted to keep aircraft at altitude.
Original NASA ASRS Text
Title: ZBW CTLR EXPERIENCED OPERROR AT FL430 WHEN REACTING TO ANOTHER CTLR'S DESCENT REQUEST WITHOUT FIRST ENSURING SEPARATION.
Narrative: KINGSTON SECTOR (ZBW SECTOR 20) REQUESTED ACFT TO DSND TO FL380 WITH CTL FOR LOWER. I COMPLIED AND IMMEDIATELY OBSERVED THE CONFLICT. I ATTEMPTED TO KEEP ACFT AT ALT.
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.