Narrative:

Cpr X, be 20 and aircraft Y FL100. Y departure bwi en route to 650. X southwest over gve. I was giving out to fpl and did not notice trainee climb Y. X and Y came within 3.8 mi and 500 ft on parallel headings.

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Original NASA ASRS Text

Title: ACFT Y CLB THROUGH OCCUPIED ALT HAD LTSS FROM CPR X. SYS ERROR.

Narrative: CPR X, BE 20 AND ACFT Y FL100. Y DEP BWI ENRTE TO 650. X SW OVER GVE. I WAS GIVING OUT TO FPL AND DID NOT NOTICE TRAINEE CLB Y. X AND Y CAME WITHIN 3.8 MI AND 500 FT ON PARALLEL HDGS.

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.