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ZBW controller experienced operational error at 11000 ft with crossing aircraft during complex traffic conditions.
| Attributes | |
| ACN | 675517 |
| Time | |
| Date | 200510 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bos.airport |
| State Reference | MA |
| Altitude | msl single value : 11000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Rain |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc tracon : mia.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 24 controller time certified in position1 : 21 |
| ASRS Report | 675517 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Miss Distance | horizontal : 12000 vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Temporary change in flows out of mht and pwm create an unsafe situation when combined with holding and/or metering to bos. Arrival and departure flows from mht and pwm cross in an unsafe way.
Original NASA ASRS Text
Title: ZBW CTLR EXPERIENCED OPERROR AT 11000 FT WITH XING ACFT DURING COMPLEX TFC CONDITIONS.
Narrative: TEMPORARY CHANGE IN FLOWS OUT OF MHT AND PWM CREATE AN UNSAFE SIT WHEN COMBINED WITH HOLDING AND/OR METERING TO BOS. ARR AND DEP FLOWS FROM MHT AND PWM CROSS IN AN UNSAFE WAY.
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.