Narrative:

While performing a loop, I accidentally went through 18000 ft to 18300 ft at the top.

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Original NASA ASRS Text

Title: PLT DOING AEROBATICS IN TURBINE ACFT PENETRATED ZAB CLASS A WITHOUT CLRNC.

Narrative: WHILE PERFORMING A LOOP, I ACCIDENTALLY WENT THROUGH 18000 FT TO 18300 FT AT THE TOP.

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.