Narrative:

Aircraft's beacon transponder went inoperative and the aircraft entered adjacent facility's airspace west/O handoff or coordination.

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Original NASA ASRS Text

Title: SMT LOST TRANSPONDER AND ENTERED ADJACENT FAC AIRSPACE WITHOUT AUTH.

Narrative: ACFT'S BEACON XPONDER WENT INOP AND THE ACFT ENTERED ADJACENT FAC'S AIRSPACE W/O HDOF OR COORD.

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.