Narrative:

B73Q was climbing to FL310 when TCASII activated. Informed me he was descending. Both aircraft were in adjoining facility's airspace at time of incident. This error was caused by the other facility.

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Original NASA ASRS Text

Title: B73Q ON ZDC FREQ INITIATES TCASII MANEUVER DUE TO OTHER CONFLICTING TFC IN ZNY AIRSPACE.

Narrative: B73Q WAS CLBING TO FL310 WHEN TCASII ACTIVATED. INFORMED ME HE WAS DSNDING. BOTH ACFT WERE IN ADJOINING FACILITY'S AIRSPACE AT TIME OF INCIDENT. THIS ERROR WAS CAUSED BY THE OTHER FACILITY.

Data retrieved from NASA's ASRS site as of July 2007 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.