Narrative:

Accepted teb 5 departure from runway 24. Aircraft hand flown due to poor autopilot capture at high climb rates and low altitude. Leveled at 1500 ft turning to 280 degrees as prescribed when notified that transponder set one digit off. While attention was diverted altitude inadvertently increased to 1800 ft before teb 4.5 mile fix. Kindly notified by ATC with immediate correction. No traffic conflict noted.

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Original NASA ASRS Text

Title: Distracted by a mis-set transponder code; flight crew of DA50 fail to maintain 1500 ft MSL on TEB SID from TEB.

Narrative: Accepted TEB 5 departure from Runway 24. Aircraft hand flown due to poor autopilot capture at high climb rates and low altitude. Leveled at 1500 ft turning to 280 degrees as prescribed when notified that transponder set one digit off. While attention was diverted altitude inadvertently increased to 1800 ft before TEB 4.5 mile fix. Kindly notified by ATC with immediate correction. No traffic conflict noted.

Data retrieved from NASA's ASRS site as of April 2012 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.