Narrative:

Cleared takeoff and climb to 2000 ft. Set 4000 ft on altitude by mistake and climbed to 4000 ft and leveled off. Thought I was cleared to 4000 ft. Departure controller called and said cleared only to 2000 ft. Also told to maintain 4000 ft.

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Original NASA ASRS Text

Title: A BE200 FLT CREW INADVERTENTLY CLBED TO WRONG ALT.

Narrative: CLRED TKOF AND CLB TO 2000 FT. SET 4000 FT ON ALT BY MISTAKE AND CLBED TO 4000 FT AND LEVELED OFF. THOUGHT I WAS CLRED TO 4000 FT. DEP CTLR CALLED AND SAID CLRED ONLY TO 2000 FT. ALSO TOLD TO MAINTAIN 4000 FT.

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.