Narrative:

I was working the south and west position while O'hare was on west flow. Aircraft X checked on and was radar contacted. I then climbed the aircraft to 13000 going west bound. Out of about 11000 I shipped aircraft X to the eon frequency 120.12 instead of to malta frequency of 127.07. I only learned this after the tapes were reviewed. What happens after I am not sure. The next call I got was malta calling asking me to ship aircraft X. I said I did; but tried him again. He was not on my frequency; but he was climbing out of 17000. I called malta back and informed him I did not have the aircraft. Recommendation; I had a law enforcement aircraft that we were trying to accommodate and I probably should have kept that aircraft a little higher. Having the law enforcement aircraft where it was added to my work load which may have led to me shipping the aircraft to the wrong center sector because I was busy.

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Original NASA ASRS Text

Title: C90 controller described a deviation event when a departure aircraft was sent to the wrong frequency an entered another sector without coordination/hand off; reporter listed other distracting duties as causal factors.

Narrative: I was working the South and West position while O'Hare was on West Flow. Aircraft X checked on and was RADAR contacted. I then climbed the aircraft to 13000 going west bound. Out of about 11000 I shipped Aircraft X to the EON frequency 120.12 instead of to Malta frequency of 127.07. I only learned this after the tapes were reviewed. What happens after I am not sure. The next call I got was Malta calling asking me to ship Aircraft X. I said I did; but tried him again. He was not on my frequency; but he was climbing out of 17000. I called Malta back and informed him I did not have the aircraft. Recommendation; I had a law enforcement aircraft that we were trying to accommodate and I probably should have kept that aircraft a little higher. Having the law enforcement aircraft where it was added to my work load which may have led to me shipping the aircraft to the wrong center sector because I was busy.

Data retrieved from NASA's ASRS site as of April 2012 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.