Narrative:

First officer called for pushback on ATC clearance frequency. I didn't monitor his call. I was on interphone to tug driver. First officer advised cleared to push, so we did. ATC ground called saying 'what are you doing on my taxiway?' obviously, some miscom occurred. In the future, I will monitor the pushback frequency and calls.

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Original NASA ASRS Text

Title: TXWY TRANSGRESSION.

Narrative: FO CALLED FOR PUSHBACK ON ATC CLRNC FREQ. I DIDN'T MONITOR HIS CALL. I WAS ON INTERPHONE TO TUG DRIVER. FO ADVISED CLRED TO PUSH, SO WE DID. ATC GND CALLED SAYING 'WHAT ARE YOU DOING ON MY TXWY?' OBVIOUSLY, SOME MISCOM OCCURRED. IN THE FUTURE, I WILL MONITOR THE PUSHBACK FREQ AND CALLS.

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.