Narrative:

Aircraft #2; climbing eastbound off dayton; stopped at 12000 ft for additional traffic. Aircraft #1; wbound off columbus. 11000 ft was entered into data block. 15000 ft was issued to aircraft #1.

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Original NASA ASRS Text

Title: ZID CTLR EXPERIENCED OPERROR AT 12000 FT RELYING ON INCORRECT DATA DISPLAYED IN THE DATA BLOCK.

Narrative: ACFT #2; CLBING EBOUND OFF DAYTON; STOPPED AT 12000 FT FOR ADDITIONAL TFC. ACFT #1; WBOUND OFF COLUMBUS. 11000 FT WAS ENTERED INTO DATA BLOCK. 15000 FT WAS ISSUED TO ACFT #1.

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.