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ZBW controller experienced operational error at 10500 ft with opposite dir traffic near adjacent airspace when corrective action was issued too late.
| Attributes | |
| ACN | 748362 |
| Time | |
| Date | 200708 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : btv.airport |
| State Reference | VT |
| Altitude | msl single value : 10500 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | tracon : btv.tracon |
| Operator | common carrier : air taxi |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| 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 | descent : intermediate altitude |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 20 |
| ASRS Report | 748362 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 15000 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I was controling aircraft #2 inbound to btv. #1 departed btv head-on with aircraft #2. I vectored aircraft #2 away from aircraft #1; coordination the heading with btv approach control. Btv instructed me to turn aircraft #2 to a 360 degree heading back toward aircraft #1. Separation was lost.
Original NASA ASRS Text
Title: ZBW CTLR EXPERIENCED OPERROR AT 10500 FT WITH OPPOSITE DIR TFC NEAR ADJACENT AIRSPACE WHEN CORRECTIVE ACTION WAS ISSUED TOO LATE.
Narrative: I WAS CTLING ACFT #2 INBOUND TO BTV. #1 DEPARTED BTV HEAD-ON WITH ACFT #2. I VECTORED ACFT #2 AWAY FROM ACFT #1; COORD THE HDG WITH BTV APCH CTL. BTV INSTRUCTED ME TO TURN ACFT #2 TO A 360 DEG HDG BACK TOWARD ACFT #1. SEPARATION WAS LOST.
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.