Narrative:

Aircraft was allowed to climb 400 ft above initial altitude of 1500 ft as required by SID. Departure procedure is somewhat non standard for a mid-western pilot -- initial climb rate encouraged for noise abatement followed by lower than normal level off. Altitude deviation was momentary -- (discovered by pilot and corrected). Do not believe actual conflict occurred. Deviation noted by ATC followed by an immediate further climb instruction. Increased altitude control and diligence required -- especially in and out of ordinary sits.

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Original NASA ASRS Text

Title: RPTR ERROR ADMITTED IN ALTDEV ALT OVERSHOT DURING DEP PROC NOISE ABATEMENT PROC.

Narrative: ACFT WAS ALLOWED TO CLB 400 FT ABOVE INITIAL ALT OF 1500 FT AS REQUIRED BY SID. DEP PROC IS SOMEWHAT NON STANDARD FOR A MID-WESTERN PLT -- INITIAL CLB RATE ENCOURAGED FOR NOISE ABATEMENT FOLLOWED BY LOWER THAN NORMAL LEVEL OFF. ALTDEV WAS MOMENTARY -- (DISCOVERED BY PLT AND CORRECTED). DO NOT BELIEVE ACTUAL CONFLICT OCCURRED. DEV NOTED BY ATC FOLLOWED BY AN IMMEDIATE FURTHER CLB INSTRUCTION. INCREASED ALT CTL AND DILIGENCE REQUIRED -- ESPECIALLY IN AND OUT OF ORDINARY SITS.

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.