Narrative:

First officer flying. Aircraft climbing at 2500 FPM. Last 1000 ft before leveloff. Overshot leveloff of 12000 ft (assigned) by plus 300 ft (12300 ft MSL). Aircraft quickly returned to 12000 ft without incident. Relative inexperience of new first officer.

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Original NASA ASRS Text

Title: FLC OF AN MLG OVERSHOT CLB ALT.

Narrative: FO FLYING. ACFT CLBING AT 2500 FPM. LAST 1000 FT BEFORE LEVELOFF. OVERSHOT LEVELOFF OF 12000 FT (ASSIGNED) BY PLUS 300 FT (12300 FT MSL). ACFT QUICKLY RETURNED TO 12000 FT WITHOUT INCIDENT. RELATIVE INEXPERIENCE OF NEW FO.

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.