Narrative:

Training on departure; training on arrival. Trainee climbed departure aircraft through arrival airspace. Trainee issued (arrival) traffic to arrival aircraft assuming departure aircraft was stopping at 8000 ft. I turned aircraft X eastbound to avoid departure aircraft.

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Original NASA ASRS Text

Title: CLT APCH CTLR EXPERIENCED OPERROR AT 9000 DURING TRAINING SESSION WHEN TRAINEE ISSUED CLIMB CLRNC TO OCCUPIED ALT.

Narrative: TRAINING ON DEP; TRAINING ON ARR. TRAINEE CLBED DEP ACFT THROUGH ARR AIRSPACE. TRAINEE ISSUED (ARR) TFC TO ARR ACFT ASSUMING DEP ACFT WAS STOPPING AT 8000 FT. I TURNED ACFT X EBOUND TO AVOID DEP ACFT.

Data retrieved from NASA's ASRS site as of May 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.